From 03d6e6c990405fe9b518a8b73f95e5d698361dcc Mon Sep 17 00:00:00 2001
From: Karl Freeman <karlfreeman@gmail.com>
Date: Sat, 28 Dec 2013 00:26:31 +0000
Subject: [PATCH] Implemented Rubocop

- just took a stab at running the StringLiterals cop to get a taste.
---
 .rubocop.yml                                  | 25 +++++++++
 Gemfile                                       |  1 +
 Rakefile                                      | 53 ++++++++++--------
 gem_rake_helper.rb                            | 18 +++---
 middleman-core/Rakefile                       |  2 +-
 middleman-core/lib/middleman-core.rb          |  8 +--
 .../lib/middleman-core/application.rb         | 44 +++++++--------
 middleman-core/lib/middleman-core/cli.rb      | 30 +++++-----
 .../lib/middleman-core/cli/build.rb           | 46 +++++++--------
 .../lib/middleman-core/cli/bundler.rb         |  8 +--
 .../lib/middleman-core/cli/console.rb         | 10 ++--
 .../lib/middleman-core/cli/extension.rb       | 20 +++----
 middleman-core/lib/middleman-core/cli/init.rb | 34 +++++------
 .../lib/middleman-core/cli/server.rb          | 56 +++++++++----------
 .../lib/middleman-core/configuration.rb       |  2 +-
 .../lib/middleman-core/core_extensions.rb     | 46 +++++++--------
 .../middleman-core/core_extensions/data.rb    |  8 +--
 .../core_extensions/extensions.rb             | 12 ++--
 .../core_extensions/external_helpers.rb       |  4 +-
 .../core_extensions/file_watcher.rb           |  6 +-
 .../core_extensions/front_matter.rb           | 18 +++---
 .../core_extensions/rendering.rb              | 40 ++++++-------
 .../middleman-core/core_extensions/request.rb | 14 ++---
 .../middleman-core/core_extensions/routing.rb |  2 +-
 .../lib/middleman-core/extensions.rb          | 10 ++--
 .../lib/middleman-core/load_paths.rb          | 14 ++---
 middleman-core/lib/middleman-core/logger.rb   |  2 +-
 .../lib/middleman-core/meta_pages.rb          |  4 +-
 .../meta_pages/config_setting.rb              |  6 +-
 .../meta_pages/sitemap_resource.rb            |  4 +-
 .../middleman-core/meta_pages/sitemap_tree.rb |  8 +--
 .../lib/middleman-core/preview_server.rb      | 18 +++---
 .../lib/middleman-core/profiling.rb           |  2 +-
 .../middleman-core/renderers/coffee_script.rb |  2 +-
 .../lib/middleman-core/renderers/erb.rb       |  2 +-
 .../lib/middleman-core/renderers/haml.rb      |  2 +-
 .../lib/middleman-core/renderers/kramdown.rb  |  4 +-
 .../lib/middleman-core/renderers/less.rb      |  4 +-
 .../lib/middleman-core/renderers/liquid.rb    |  2 +-
 .../lib/middleman-core/renderers/markdown.rb  |  6 +-
 .../lib/middleman-core/renderers/redcarpet.rb |  2 +-
 .../lib/middleman-core/renderers/sass.rb      |  4 +-
 .../lib/middleman-core/renderers/slim.rb      |  2 +-
 .../lib/middleman-core/renderers/stylus.rb    |  4 +-
 middleman-core/lib/middleman-core/sitemap.rb  | 14 ++---
 .../sitemap/extensions/ignores.rb             |  4 +-
 .../sitemap/extensions/traversal.rb           | 12 ++--
 .../lib/middleman-core/sitemap/queryable.rb   |  2 +-
 .../lib/middleman-core/sitemap/resource.rb    | 12 ++--
 .../lib/middleman-core/sitemap/store.rb       | 18 +++---
 .../lib/middleman-core/step_definitions.rb    | 10 ++--
 .../step_definitions/builder_steps.rb         | 10 ++--
 .../step_definitions/server_steps.rb          | 12 ++--
 .../lib/middleman-core/templates.rb           | 28 +++++-----
 .../lib/middleman-core/templates/default.rb   | 34 +++++------
 .../lib/middleman-core/templates/empty.rb     |  6 +-
 .../templates/extension/Rakefile              |  2 +-
 .../extension/features/support/env.rb         |  4 +-
 .../templates/extension/lib/lib.rb            |  4 +-
 .../extension/lib/middleman_extension.rb      |  2 +-
 .../lib/middleman-core/templates/html5.rb     | 18 +++---
 .../lib/middleman-core/templates/local.rb     |  6 +-
 .../lib/middleman-core/templates/mobile.rb    | 12 ++--
 middleman-core/lib/middleman-core/util.rb     | 18 +++---
 .../middleman-more/core_extensions/compass.rb |  6 +-
 .../core_extensions/default_helpers.rb        | 16 +++---
 .../middleman-more/core_extensions/i18n.rb    | 36 ++++++------
 .../middleman-more/extensions/asset_hash.rb   | 10 ++--
 .../middleman-more/extensions/asset_host.rb   |  2 +-
 .../extensions/automatic_alt_tags.rb          |  6 +-
 .../extensions/automatic_image_sizes.rb       |  6 +-
 .../middleman-more/extensions/cache_buster.rb | 12 ++--
 .../lib/middleman-more/extensions/lorem.rb    | 10 ++--
 .../middleman-more/extensions/minify_css.rb   |  8 +--
 .../extensions/minify_javascript.rb           |  6 +-
 .../extensions/relative_assets.rb             |  2 +-
 .../lib/middleman-more/templates/smacss.rb    | 18 +++---
 middleman-core/lib/middleman/rack.rb          |  4 +-
 middleman/Rakefile                            |  4 +-
 middleman/lib/middleman.rb                    |  4 +-
 80 files changed, 510 insertions(+), 477 deletions(-)
 create mode 100644 .rubocop.yml

diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 00000000..fe3c4057
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,25 @@
+AllCops:
+  Includes:
+    - Rakefile
+    - config.ru
+  Excludes:
+    - script/**
+    - vendor/**
+    - bin/**
+    - middleman-core/lib/vendored-middleman-deps/**
+    - middleman-core/bin/**
+    - middleman-core/fixtures/**
+    - middleman-core/features/**
+    - middleman-core/spec/**
+LineLength:
+  Enabled: false
+MethodLength:
+  Enabled: false
+ClassLength:
+  Enabled: false
+Documentation:
+  Enabled: false
+Encoding:
+  Enabled: false
+HashSyntax:
+  EnforcedStyle: ruby19
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 831272e3..7b518520 100644
--- a/Gemfile
+++ b/Gemfile
@@ -34,6 +34,7 @@ end
 # Code Quality
 gem "cane", :platforms => [:mri_19, :mri_20], :require => false
 gem 'coveralls', :require => false
+gem 'rubocop', :require => false
 
 # Middleman itself
 gem "middleman-core", :path => "middleman-core"
diff --git a/Rakefile b/Rakefile
index a2c22438..642efee9 100644
--- a/Rakefile
+++ b/Rakefile
@@ -2,7 +2,7 @@ require 'rubygems'  unless defined?(Gem)
 # require 'fileutils' unless defined?(FileUtils)
 require 'rake'
 
-require File.expand_path("../middleman-core/lib/middleman-core/version.rb", __FILE__)
+require File.expand_path('../middleman-core/lib/middleman-core/version.rb', __FILE__)
 
 ROOT = File.expand_path(File.dirname(__FILE__))
 GEM_NAME = 'middleman'
@@ -26,26 +26,26 @@ task :install do
   end
 end
 
-desc "Clean pkg and other stuff"
+desc 'Clean pkg and other stuff'
 task :clean do
   GEM_PATHS.each do |g|
     %w[tmp pkg coverage].each { |dir| sh 'rm -rf %s' % File.join(g, dir) }
   end
 end
 
-desc "Clean pkg and other stuff"
+desc 'Clean pkg and other stuff'
 task :uninstall do
-  sh "gem search --no-version middleman | grep middleman | xargs gem uninstall -a"
+  sh 'gem search --no-version middleman | grep middleman | xargs gem uninstall -a'
 end
 
-desc "Displays the current version"
+desc 'Displays the current version'
 task :version do
   say "Current version: #{Middleman::VERSION}"
 end
 
-desc "Bumps the version number based on given version"
+desc 'Bumps the version number based on given version'
 task :bump, [:version] do |t, args|
-  raise "Please specify version=x.x.x !" unless args.version
+  raise 'Please specify version=x.x.x !' unless args.version
   version_path = File.dirname(__FILE__) + '/middleman-core/lib/middleman-core/version.rb'
   version_text = File.read(version_path).sub(/VERSION = '[\d\.\w]+'/, "VERSION = '#{args.version}'")
   say "Updating Middleman to version #{args.version}"
@@ -53,41 +53,41 @@ task :bump, [:version] do |t, args|
   sh 'git commit -a -m "Bumped version to %s"' % args.version
 end
 
-desc "Executes a fresh install removing all middleman version and then reinstall all gems"
+desc 'Executes a fresh install removing all middleman version and then reinstall all gems'
 task :fresh => [:uninstall, :install, :clean]
 
-desc "Pushes repository to GitHub"
+desc 'Pushes repository to GitHub'
 task :push do
-  say "Pushing to github..."
+  say 'Pushing to github...'
   sh "git tag v#{Middleman::VERSION}"
-  sh "git push origin master"
+  sh 'git push origin master'
   sh "git push origin v#{Middleman::VERSION}"
 end
 
-desc "Release all middleman gems"
+desc 'Release all middleman gems'
 task :publish => :push do
-  say "Pushing to rubygems..."
+  say 'Pushing to rubygems...'
   GEM_PATHS.each do |dir|
-    Dir.chdir(dir) { sh_rake("release") }
+    Dir.chdir(dir) { sh_rake('release') }
   end
-  Rake::Task["clean"].invoke
+  Rake::Task['clean'].invoke
 end
 
-desc "Generate documentation for all middleman gems"
+desc 'Generate documentation for all middleman gems'
 task :doc do
   GEM_PATHS.each do |g|
     Dir.chdir("#{File.join(ROOT, g)}") { sh "#{Gem.ruby} -S rake yard" }
   end
 end
 
-desc "Run tests for all middleman gems"
+desc 'Run tests for all middleman gems'
 task :test do
   GEM_PATHS.each do |g|
     Dir.chdir("#{File.join(ROOT, g)}") { sh "#{Gem.ruby} -S rake test" }
   end
 end
 
-desc "Run specs for all middleman gems"
+desc 'Run specs for all middleman gems'
 task :spec do
   GEM_PATHS.each do |g|
     Dir.chdir("#{File.join(ROOT, g)}") { sh "#{Gem.ruby} -S rake spec" }
@@ -96,16 +96,23 @@ end
 
 begin
   require 'cane/rake_task'
-
-  desc "Run cane to check quality metrics"
+  desc 'Run cane to check quality metrics'
   Cane::RakeTask.new(:quality) do |cane|
     cane.no_style = true
     cane.no_doc = true
-    cane.abc_glob = "middleman*/lib/middleman*/**/*.rb"
+    cane.abc_glob = 'middleman*/lib/middleman*/**/*.rb'
   end
 rescue LoadError
-  # warn "cane not available, quality task not provided."
 end
 
-desc "Run tests for all middleman gems"
+begin
+  require 'rubocop/rake_task'
+  desc 'Run RuboCop to check code consistency'
+  Rubocop::RakeTask.new(:rubocop) do |task|
+    task.fail_on_error = false
+  end
+rescue LoadError
+end
+
+desc 'Run tests for all middleman gems'
 task :default => :test
diff --git a/gem_rake_helper.rb b/gem_rake_helper.rb
index de2d91a4..80158aec 100644
--- a/gem_rake_helper.rb
+++ b/gem_rake_helper.rb
@@ -17,30 +17,30 @@ end
 require 'cucumber/rake/task'
 
 Cucumber::Rake::Task.new do |t|
-  exempt_tags = ["--tags ~@wip"]
-  exempt_tags << "--tags ~@nojava" if RUBY_PLATFORM == "java"
-  exempt_tags << "--tags ~@encoding" unless Object.const_defined?(:Encoding)
-  exempt_tags << "--tags ~@travishatesme" if ENV["TRAVIS"] == "true"
+  exempt_tags = ['--tags ~@wip']
+  exempt_tags << '--tags ~@nojava' if RUBY_PLATFORM == 'java'
+  exempt_tags << '--tags ~@encoding' unless Object.const_defined?(:Encoding)
+  exempt_tags << '--tags ~@travishatesme' if ENV['TRAVIS'] == 'true'
 
   t.cucumber_opts = "--color #{exempt_tags.join(" ")} --strict --format #{ENV['CUCUMBER_FORMAT'] || 'Fivemat'}"
 end
 
 Cucumber::Rake::Task.new(:cucumber_wip) do |t|
-  exempt_tags = ["--tags @wip"]
-  exempt_tags << "--tags ~@nojava" if RUBY_PLATFORM == "java"
-  exempt_tags << "--tags ~@encoding" unless Object.const_defined?(:Encoding)
+  exempt_tags = ['--tags @wip']
+  exempt_tags << '--tags ~@nojava' if RUBY_PLATFORM == 'java'
+  exempt_tags << '--tags ~@encoding' unless Object.const_defined?(:Encoding)
 
   t.cucumber_opts = "--color #{exempt_tags.join(" ")} --strict --format #{ENV['CUCUMBER_FORMAT'] || 'Fivemat'}"
 end
 
 require 'rspec/core/rake_task'
-desc "Run RSpec"
+desc 'Run RSpec'
 RSpec::Core::RakeTask.new do |spec|
   spec.pattern = 'spec/**/*_spec.rb'
   spec.rspec_opts = ['--color', '--format nested']
 end
 
-desc "Run tests, both RSpec and Cucumber"
+desc 'Run tests, both RSpec and Cucumber'
 task :test => [:spec, :cucumber]
 
 YARD::Rake::YardocTask.new
diff --git a/middleman-core/Rakefile b/middleman-core/Rakefile
index dc58b608..6e3c4ee8 100644
--- a/middleman-core/Rakefile
+++ b/middleman-core/Rakefile
@@ -1,7 +1,7 @@
 # coding:utf-8
 RAKE_ROOT = __FILE__
 
-GEM_NAME = ENV["NAME"] || "middleman-core"
+GEM_NAME = ENV['NAME'] || 'middleman-core'
 
 require 'rubygems'
 require File.expand_path(File.dirname(__FILE__) + '/../gem_rake_helper')
diff --git a/middleman-core/lib/middleman-core.rb b/middleman-core/lib/middleman-core.rb
index ba89ce8b..be446a51 100644
--- a/middleman-core/lib/middleman-core.rb
+++ b/middleman-core/lib/middleman-core.rb
@@ -10,7 +10,7 @@ module Middleman
 
 end
 
-require "middleman-core/version"
-require "middleman-core/util"
-require "middleman-core/extensions"
-require "middleman-core/application"
+require 'middleman-core/version'
+require 'middleman-core/util'
+require 'middleman-core/extensions'
+require 'middleman-core/application'
diff --git a/middleman-core/lib/middleman-core/application.rb b/middleman-core/lib/middleman-core/application.rb
index 6b32c03a..3a4f17f0 100644
--- a/middleman-core/lib/middleman-core/application.rb
+++ b/middleman-core/lib/middleman-core/application.rb
@@ -1,25 +1,25 @@
 # Using Tilt for templating
-require "tilt"
+require 'tilt'
 
 # i18n Built-in
-require "i18n"
+require 'i18n'
 
 # Don't fail on invalid locale, that's not what our current
 # users expect.
 ::I18n.config.enforce_available_locales = false
 
 # Use ActiveSupport JSON
-require "active_support/json"
-require "active_support/core_ext/integer/inflections"
-require "active_support/core_ext/float/rounding"
+require 'active_support/json'
+require 'active_support/core_ext/integer/inflections'
+require 'active_support/core_ext/float/rounding'
 
 # Simple callback library
-require "vendored-middleman-deps/hooks-0.2.0/lib/hooks"
+require 'vendored-middleman-deps/hooks-0.2.0/lib/hooks'
 
-require "middleman-core/sitemap"
+require 'middleman-core/sitemap'
 
-require "middleman-core/configuration"
-require "middleman-core/core_extensions"
+require 'middleman-core/configuration'
+require 'middleman-core/core_extensions'
 
 # Core Middleman Class
 module Middleman
@@ -51,7 +51,7 @@ module Middleman
     # Root project directory (overwritten in middleman build/server)
     # @return [String]
     def self.root
-      ENV["MM_ROOT"] || Dir.pwd
+      ENV['MM_ROOT'] || Dir.pwd
     end
     delegate :root, :to => :"self.class"
 
@@ -63,7 +63,7 @@ module Middleman
 
     # Name of the source directory
     # @return [String]
-    config.define_setting :source,      "source", 'Name of the source directory'
+    config.define_setting :source,      'source', 'Name of the source directory'
 
     # Middleman environment. Defaults to :development, set to :build by the build process
     # @return [String]
@@ -71,7 +71,7 @@ module Middleman
 
     # Which file should be used for directory indexes
     # @return [String]
-    config.define_setting :index_file,  "index.html", 'Which file should be used for directory indexes'
+    config.define_setting :index_file,  'index.html', 'Which file should be used for directory indexes'
 
     # Whether to strip the index file name off links to directory indexes
     # @return [Boolean]
@@ -83,35 +83,35 @@ module Middleman
 
     # Location of javascripts within source.
     # @return [String]
-    config.define_setting :js_dir,      "javascripts", 'Location of javascripts within source'
+    config.define_setting :js_dir,      'javascripts', 'Location of javascripts within source'
 
     # Location of stylesheets within source. Used by Compass.
     # @return [String]
-    config.define_setting :css_dir,     "stylesheets", 'Location of stylesheets within source'
+    config.define_setting :css_dir,     'stylesheets', 'Location of stylesheets within source'
 
     # Location of images within source. Used by HTML helpers and Compass.
     # @return [String]
-    config.define_setting :images_dir,  "images", 'Location of images within source'
+    config.define_setting :images_dir,  'images', 'Location of images within source'
 
     # Location of fonts within source. Used by Compass.
     # @return [String]
-    config.define_setting :fonts_dir,   "fonts", 'Location of fonts within source'
+    config.define_setting :fonts_dir,   'fonts', 'Location of fonts within source'
 
     # Location of partials within source. Used by renderers.
     # @return [String]
-    config.define_setting :partials_dir,   "", 'Location of partials within source'
+    config.define_setting :partials_dir,   '', 'Location of partials within source'
 
     # Location of layouts within source. Used by renderers.
     # @return [String]
-    config.define_setting :layouts_dir, "layouts", 'Location of layouts within source'
+    config.define_setting :layouts_dir, 'layouts', 'Location of layouts within source'
 
     # Where to build output files
     # @return [String]
-    config.define_setting :build_dir,   "build", 'Where to build output files'
+    config.define_setting :build_dir,   'build', 'Where to build output files'
 
     # Default prefix for building paths. Used by HTML helpers and Compass.
     # @return [String]
-    config.define_setting :http_prefix, "/", 'Default prefix for building paths'
+    config.define_setting :http_prefix, '/', 'Default prefix for building paths'
 
     # Default layout name
     # @return [String, Symbold]
@@ -119,7 +119,7 @@ module Middleman
 
     # Default string encoding for templates and output.
     # @return [String]
-    config.define_setting :encoding, "utf-8", 'Default string encoding for templates and output'
+    config.define_setting :encoding, 'utf-8', 'Default string encoding for templates and output'
 
     # Should Padrino include CRSF tag
     # @return [Boolean]
@@ -172,7 +172,7 @@ module Middleman
       # Evaluate a passed block if given
       instance_exec(&block) if block_given?
 
-      config[:source] = ENV["MM_SOURCE"] if ENV["MM_SOURCE"]
+      config[:source] = ENV['MM_SOURCE'] if ENV['MM_SOURCE']
 
       super
     end
diff --git a/middleman-core/lib/middleman-core/cli.rb b/middleman-core/lib/middleman-core/cli.rb
index fe85fc77..7823de81 100644
--- a/middleman-core/lib/middleman-core/cli.rb
+++ b/middleman-core/lib/middleman-core/cli.rb
@@ -1,6 +1,6 @@
 # Require thor since that's what the who CLI is built around
 require 'thor'
-require "thor/group"
+require 'thor/group'
 
 # CLI Module
 module Middleman
@@ -12,18 +12,18 @@ module Middleman
       class << self
         def start(*args)
           # Change flag to a module
-          ARGV.unshift("help") if ARGV.delete("--help")
+          ARGV.unshift('help') if ARGV.delete('--help')
 
           # Default command is server
-          if ARGV[0] != "help" && (ARGV.length < 1 || ARGV.first.include?("-"))
-            ARGV.unshift("server")
+          if ARGV[0] != 'help' && (ARGV.length < 1 || ARGV.first.include?('-'))
+            ARGV.unshift('server')
           end
 
           super
         end
       end
 
-      desc "version", "Show version"
+      desc 'version', 'Show version'
       def version
         require 'middleman-core/version'
         say "Middleman #{Middleman::VERSION}"
@@ -36,7 +36,7 @@ module Middleman
       def help(meth = nil, subcommand = false)
         if meth && !self.respond_to?(meth)
           klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
-          klass.start(["-h", task].compact, :shell => self.shell)
+          klass.start(['-h', task].compact, :shell => self.shell)
         else
           list = []
           Thor::Util.thor_classes_in(Middleman::Cli).each do |thor_class|
@@ -44,7 +44,7 @@ module Middleman
           end
           list.sort!{ |a,b| a[0] <=> b[0] }
 
-          shell.say "Tasks:"
+          shell.say 'Tasks:'
           shell.print_table(list, :ident => 2, :truncate => true)
           shell.say
         end
@@ -62,10 +62,10 @@ module Middleman
         klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
 
         if klass.nil?
-          tasks_dir = File.join(Dir.pwd, "tasks")
+          tasks_dir = File.join(Dir.pwd, 'tasks')
 
           if File.exists?(tasks_dir)
-            Dir[File.join(tasks_dir, "**/*_task.rb")].each { |f| require f }
+            Dir[File.join(tasks_dir, '**/*_task.rb')].each { |f| require f }
             klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
           end
         end
@@ -82,9 +82,9 @@ module Middleman
 end
 
 # Include the core CLI items
-require "middleman-core/cli/init"
-require "middleman-core/cli/bundler"
-require "middleman-core/cli/extension"
-require "middleman-core/cli/server"
-require "middleman-core/cli/build"
-require "middleman-core/cli/console"
+require 'middleman-core/cli/init'
+require 'middleman-core/cli/bundler'
+require 'middleman-core/cli/extension'
+require 'middleman-core/cli/server'
+require 'middleman-core/cli/build'
+require 'middleman-core/cli/console'
diff --git a/middleman-core/lib/middleman-core/cli/build.rb b/middleman-core/lib/middleman-core/cli/build.rb
index ca74bc53..4412f64f 100644
--- a/middleman-core/lib/middleman-core/cli/build.rb
+++ b/middleman-core/lib/middleman-core/cli/build.rb
@@ -1,11 +1,11 @@
-require "middleman-core"
-require "fileutils"
+require 'middleman-core'
+require 'fileutils'
 require 'set'
 
 # CLI Module
 module Middleman::Cli
   # Alias "b" to "build"
-  Base.map({ "b" => "build" })
+  Base.map({ 'b' => 'build' })
 
   # The CLI Build class
   class Build < Thor
@@ -18,14 +18,14 @@ module Middleman::Cli
 
     namespace :build
 
-    desc "build [options]", "Builds the static site for deployment"
+    desc 'build [options]', 'Builds the static site for deployment'
     method_option :clean,
       :type    => :boolean,
       :default => true,
       :desc    => 'Remove orphaned files from build (--no-clean to disable)'
     method_option :glob,
       :type    => :string,
-      :aliases => "-g",
+      :aliases => '-g',
       :default => nil,
       :desc    => 'Build a subset of the project'
     method_option :verbose,
@@ -44,33 +44,33 @@ module Middleman::Cli
     # Core build Thor command
     # @return [void]
     def build
-      if !ENV["MM_ROOT"]
-        raise Thor::Error, "Error: Could not find a Middleman project config, perhaps you are in the wrong folder?"
+      if !ENV['MM_ROOT']
+        raise Thor::Error, 'Error: Could not find a Middleman project config, perhaps you are in the wrong folder?'
       end
 
       # Use Rack::Test for inspecting a running server for output
-      require "rack"
-      require "rack/test"
+      require 'rack'
+      require 'rack/test'
 
       require 'find'
 
       @debugging = Middleman::Cli::Base.respond_to?(:debugging) && Middleman::Cli::Base.debugging
       self.had_errors = false
 
-      self.class.shared_instance(options["verbose"], options["instrument"])
+      self.class.shared_instance(options['verbose'], options['instrument'])
 
       opts = {}
-      opts[:glob]  = options["glob"] if options.has_key?("glob")
-      opts[:clean] = options["clean"]
+      opts[:glob]  = options['glob'] if options.has_key?('glob')
+      opts[:clean] = options['clean']
 
       action BuildAction.new(self, opts)
 
       self.class.shared_instance.run_hook :after_build, self
 
       if self.had_errors && !self.debugging
-        msg = "There were errors during this build"
-        unless options["verbose"]
-          msg << ", re-run with `middleman build --verbose` to see the full exception."
+        msg = 'There were errors during this build'
+        unless options['verbose']
+          msg << ', re-run with `middleman build --verbose` to see the full exception.'
         end
         self.shell.say msg, :red
       end
@@ -134,7 +134,7 @@ module Middleman::Cli
         base.remove_file f, :force => true
       end
 
-      Dir[@build_dir.join("**", "*")].select {|d| File.directory?(d) }.each do |d|
+      Dir[@build_dir.join('**', '*')].select {|d| File.directory?(d) }.each do |d|
         base.remove_file d, :force => true if directory_empty? d
       end
     end
@@ -177,15 +177,15 @@ module Middleman::Cli
       sort_order = %w(.png .jpeg .jpg .gif .bmp .svg .svgz .ico .woff .otf .ttf .eot .js .css)
 
       # Pre-request CSS to give Compass a chance to build sprites
-      logger.debug "== Prerendering CSS"
+      logger.debug '== Prerendering CSS'
 
       @app.sitemap.resources.select do |resource|
-        resource.ext == ".css"
+        resource.ext == '.css'
       end.each do |resource|
         @rack.get(URI.escape(resource.destination_path))
       end
 
-      logger.debug "== Checking for Compass sprites"
+      logger.debug '== Checking for Compass sprites'
 
       # Double-check for compass sprites
       @app.files.find_new_files((@source_dir + @app.images_dir).relative_path_from(@app.root_path))
@@ -195,7 +195,7 @@ module Middleman::Cli
       # find files in the build folder when it needs to generate sprites for the
       # css files
 
-      logger.debug "== Building files"
+      logger.debug '== Building files'
 
       resources = @app.sitemap.resources.sort_by do |r|
         sort_order.index(r.ext) || 100
@@ -222,7 +222,7 @@ module Middleman::Cli
         end
       end
 
-      ::Middleman::Profiling.report("build")
+      ::Middleman::Profiling.report('build')
     end
 
     # Render a resource to a file.
@@ -268,14 +268,14 @@ module Middleman::Cli
       if base.debugging
         raise e
         exit(1)
-      elsif base.options["verbose"]
+      elsif base.options['verbose']
         base.shell.say response, :red
       end
     end
 
     def binary_encode(string)
       if string.respond_to?(:force_encoding)
-        string.force_encoding("ascii-8bit")
+        string.force_encoding('ascii-8bit')
       end
       string
     end
diff --git a/middleman-core/lib/middleman-core/cli/bundler.rb b/middleman-core/lib/middleman-core/cli/bundler.rb
index ef9a171a..43a0d862 100644
--- a/middleman-core/lib/middleman-core/cli/bundler.rb
+++ b/middleman-core/lib/middleman-core/cli/bundler.rb
@@ -8,7 +8,7 @@ module Middleman::Cli
 
     namespace :bundle
 
-    desc "bundle", "Setup initial bundle", :hide => true
+    desc 'bundle', 'Setup initial bundle', :hide => true
 
     # The setup task
     def bundle
@@ -23,11 +23,11 @@ module Middleman::Cli
 
     namespace :upgrade
 
-    desc "upgrade", "Upgrade installed bundle"
+    desc 'upgrade', 'Upgrade installed bundle'
 
     # The upgrade task
     def upgrade
-      inside(ENV["MM_ROOT"]) do
+      inside(ENV['MM_ROOT']) do
         run('bundle update')#, :capture => true)
       end
     end
@@ -35,6 +35,6 @@ module Middleman::Cli
 
   # Map "u" to "upgrade"
   Base.map({
-    "u" => "upgrade"
+    'u' => 'upgrade'
   })
 end
diff --git a/middleman-core/lib/middleman-core/cli/console.rb b/middleman-core/lib/middleman-core/cli/console.rb
index af968dd5..bfc08ea1 100644
--- a/middleman-core/lib/middleman-core/cli/console.rb
+++ b/middleman-core/lib/middleman-core/cli/console.rb
@@ -9,18 +9,18 @@ module Middleman::Cli
 
     namespace :console
     
-    desc "console [options]", "Start an interactive console in the context of your Middleman application"
+    desc 'console [options]', 'Start an interactive console in the context of your Middleman application'
     method_option :environment,
-      :aliases => "-e",
+      :aliases => '-e',
       :default => ENV['MM_ENV'] || ENV['RACK_ENV'] || 'development',
-      :desc    => "The environment Middleman will run under"
+      :desc    => 'The environment Middleman will run under'
     method_option :verbose,
       :type    => :boolean,
       :default => false,
       :desc    => 'Print debug messages'
     def console
-      require "middleman-core"
-      require "irb"
+      require 'middleman-core'
+      require 'irb'
 
       opts = {
         :environment => options['environment'],
diff --git a/middleman-core/lib/middleman-core/cli/extension.rb b/middleman-core/lib/middleman-core/cli/extension.rb
index 22a4531e..6704297f 100644
--- a/middleman-core/lib/middleman-core/cli/extension.rb
+++ b/middleman-core/lib/middleman-core/cli/extension.rb
@@ -15,22 +15,22 @@ module Middleman::Cli
     # Template files are relative to this file
     # @return [String]
     def self.source_root
-      File.join(File.dirname(__FILE__), "..", "templates", "extension")
+      File.join(File.dirname(__FILE__), '..', 'templates', 'extension')
     end
     
-    desc "extension [options]", "Create Middleman extension scaffold NAME"
+    desc 'extension [options]', 'Create Middleman extension scaffold NAME'
 
     # The extension task
     # @param [String] name
     def extension
       generate_gitignore!
-      template "Rakefile", File.join(name, "Rakefile")
-      template "gemspec", File.join(name, "#{name}.gemspec")
-      template "Gemfile", File.join(name, "Gemfile")
-      template "lib/middleman_extension.rb", File.join(name, "lib", "middleman_extension.rb")
-      template "lib/lib.rb", File.join(name, "lib", "#{name}.rb")
-      template "features/support/env.rb", File.join(name, "features", "support", "env.rb")
-      empty_directory File.join(name, "fixtures")
+      template 'Rakefile', File.join(name, 'Rakefile')
+      template 'gemspec', File.join(name, "#{name}.gemspec")
+      template 'Gemfile', File.join(name, 'Gemfile')
+      template 'lib/middleman_extension.rb', File.join(name, 'lib', 'middleman_extension.rb')
+      template 'lib/lib.rb', File.join(name, 'lib', "#{name}.rb")
+      template 'features/support/env.rb', File.join(name, 'features', 'support', 'env.rb')
+      empty_directory File.join(name, 'fixtures')
     end
 
     # Output a .gitignore file
@@ -41,7 +41,7 @@ module Middleman::Cli
       # @return [void]
       def generate_gitignore!
         return unless options[:git]
-        copy_file "gitignore", File.join(name, ".gitignore")
+        copy_file 'gitignore', File.join(name, '.gitignore')
       end
     }
 
diff --git a/middleman-core/lib/middleman-core/cli/init.rb b/middleman-core/lib/middleman-core/cli/init.rb
index 009bbefb..6f61a080 100644
--- a/middleman-core/lib/middleman-core/cli/init.rb
+++ b/middleman-core/lib/middleman-core/cli/init.rb
@@ -1,4 +1,4 @@
-require "middleman-core/templates"
+require 'middleman-core/templates'
 
 # CLI Module
 module Middleman::Cli
@@ -9,35 +9,35 @@ module Middleman::Cli
 
     namespace :init
 
-    desc "init NAME [options]", "Create new project NAME"
-    available_templates = ::Middleman::Templates.registered.keys.join(", ")
-    method_option "template",
-      :aliases => "-T",
-      :default => "default",
+    desc 'init NAME [options]', 'Create new project NAME'
+    available_templates = ::Middleman::Templates.registered.keys.join(', ')
+    method_option 'template',
+      :aliases => '-T',
+      :default => 'default',
       :desc    => "Use a project template: #{available_templates}"
-    method_option "css_dir",
+    method_option 'css_dir',
       # :default => "stylesheets",
       :desc    => 'The path to the css files'
-    method_option "js_dir",
+    method_option 'js_dir',
       # :default => "javascripts",
       :desc    => 'The path to the javascript files'
-    method_option "images_dir",
+    method_option 'images_dir',
       # :default => "images",
       :desc    => 'The path to the image files'
-    method_option "rack",
+    method_option 'rack',
       :type    => :boolean,
       :default => false,
       :desc    => 'Include a config.ru file'
-    method_option "skip-gemfile",
+    method_option 'skip-gemfile',
       :type    => :boolean,
       :default => false,
       :desc    => "Don't create a Gemfile"
-    method_option "skip-bundle",
+    method_option 'skip-bundle',
       :type    => :boolean,
-      :aliases => "-B",
+      :aliases => '-B',
       :default => false,
       :desc    => "Don't run bundle install"
-    method_option "skip-git",
+    method_option 'skip-git',
       :type    => :boolean,
       :default => false,
       :desc    => 'Skip Git ignores and keeps'
@@ -60,8 +60,8 @@ module Middleman::Cli
 
   # Map "i", "new" and "n" to "init"
   Base.map({
-    "i"   => "init",
-    "new" => "init",
-    "n"   => "init"
+    'i'   => 'init',
+    'new' => 'init',
+    'n'   => 'init'
   })
 end
diff --git a/middleman-core/lib/middleman-core/cli/server.rb b/middleman-core/lib/middleman-core/cli/server.rb
index 931b69de..782d9faf 100644
--- a/middleman-core/lib/middleman-core/cli/server.rb
+++ b/middleman-core/lib/middleman-core/cli/server.rb
@@ -7,20 +7,20 @@ module Middleman::Cli
 
     namespace :server
 
-    desc "server [options]", "Start the preview server"
+    desc 'server [options]', 'Start the preview server'
     method_option :environment,
-      :aliases => "-e",
+      :aliases => '-e',
       :default => ENV['MM_ENV'] || ENV['RACK_ENV'] || 'development',
-      :desc    => "The environment Middleman will run under"
+      :desc    => 'The environment Middleman will run under'
     method_option :host,
       :type    => :string,
-      :aliases => "-h",
-      :default => "0.0.0.0",
-      :desc    => "Bind to HOST address"
+      :aliases => '-h',
+      :default => '0.0.0.0',
+      :desc    => 'Bind to HOST address'
     method_option :port,
-      :aliases => "-p",
-      :default => "4567",
-      :desc    => "The port Middleman will listen on"
+      :aliases => '-p',
+      :default => '4567',
+      :desc    => 'The port Middleman will listen on'
     method_option :verbose,
       :type    => :boolean,
       :default => false,
@@ -47,35 +47,35 @@ module Middleman::Cli
       :desc    => 'Force file watcher into polling mode'
     method_option :latency,
       :type    => :numeric,
-      :aliases => "-l",
+      :aliases => '-l',
       :default => 0.25,
       :desc    => 'Set file watcher latency, in seconds'
 
     # Start the server
     def server
-      require "middleman-core"
-      require "middleman-core/preview_server"
+      require 'middleman-core'
+      require 'middleman-core/preview_server'
 
-      if !ENV["MM_ROOT"]
-        puts "== Could not find a Middleman project config.rb"
-        puts "== Treating directory as a static site to be served"
-        ENV["MM_ROOT"] = Dir.pwd
-        ENV["MM_SOURCE"] = ""
+      if !ENV['MM_ROOT']
+        puts '== Could not find a Middleman project config.rb'
+        puts '== Treating directory as a static site to be served'
+        ENV['MM_ROOT'] = Dir.pwd
+        ENV['MM_SOURCE'] = ''
       end
 
       params = {
-        :port              => options["port"],
-        :host              => options["host"],
-        :environment       => options["environment"],
-        :debug             => options["verbose"],
-        :instrumenting     => options["instrument"],
-        :disable_watcher   => options["disable_watcher"],
-        :reload_paths      => options["reload_paths"],
-        :force_polling     => options["force_polling"],
-        :latency           => options["latency"]
+        :port              => options['port'],
+        :host              => options['host'],
+        :environment       => options['environment'],
+        :debug             => options['verbose'],
+        :instrumenting     => options['instrument'],
+        :disable_watcher   => options['disable_watcher'],
+        :reload_paths      => options['reload_paths'],
+        :force_polling     => options['force_polling'],
+        :latency           => options['latency']
       }
 
-      puts "== The Middleman is loading"
+      puts '== The Middleman is loading'
       ::Middleman::PreviewServer.start(params)
     end
   end
@@ -85,5 +85,5 @@ module Middleman::Cli
   end
 
   # Map "s" to "server"
-  Base.map({ "s" => "server" })
+  Base.map({ 's' => 'server' })
 end
diff --git a/middleman-core/lib/middleman-core/configuration.rb b/middleman-core/lib/middleman-core/configuration.rb
index 0b2454fa..ee5f2fbc 100644
--- a/middleman-core/lib/middleman-core/configuration.rb
+++ b/middleman-core/lib/middleman-core/configuration.rb
@@ -156,7 +156,7 @@ module Middleman
       def define_setting(key, default=nil, description=nil)
         raise "Setting #{key} doesn't exist" if @finalized
         raise "Setting #{key} already defined" if @settings.has_key?(key)
-        raise "Setting key must be a Symbol" unless key.is_a? Symbol
+        raise 'Setting key must be a Symbol' unless key.is_a? Symbol
 
         @settings[key] = ConfigSetting.new(key, default, description)
       end
diff --git a/middleman-core/lib/middleman-core/core_extensions.rb b/middleman-core/lib/middleman-core/core_extensions.rb
index c3b0a325..34f1cde3 100644
--- a/middleman-core/lib/middleman-core/core_extensions.rb
+++ b/middleman-core/lib/middleman-core/core_extensions.rb
@@ -1,39 +1,39 @@
 # Rack Request
-require "middleman-core/core_extensions/request"
+require 'middleman-core/core_extensions/request'
 
 # File Change Notifier
-require "middleman-core/core_extensions/file_watcher"
+require 'middleman-core/core_extensions/file_watcher'
 
 # Custom Feature API
-require "middleman-core/core_extensions/extensions"
+require 'middleman-core/core_extensions/extensions'
 
 # Data looks at the data/ folder for YAML files and makes them available
 # to dynamic requests.
-require "middleman-core/core_extensions/data"
+require 'middleman-core/core_extensions/data'
 
 # Parse YAML from templates
-require "middleman-core/core_extensions/front_matter"
+require 'middleman-core/core_extensions/front_matter'
 
 # External helpers looks in the helpers/ folder for helper modules
-require "middleman-core/core_extensions/external_helpers"
+require 'middleman-core/core_extensions/external_helpers'
 
 # Extended version of Padrino's rendering
-require "middleman-core/core_extensions/rendering"
+require 'middleman-core/core_extensions/rendering'
 
 # Pass custom options to views
-require "middleman-core/core_extensions/routing"
+require 'middleman-core/core_extensions/routing'
 
 # Catch and show exceptions at the Rack level
-require "middleman-core/core_extensions/show_exceptions"
+require 'middleman-core/core_extensions/show_exceptions'
 
 # Setup default helpers
-require "middleman-more/core_extensions/default_helpers"
+require 'middleman-more/core_extensions/default_helpers'
 
-require "middleman-more/core_extensions/i18n"
+require 'middleman-more/core_extensions/i18n'
 
 # Compass framework
 begin
-  require "middleman-more/core_extensions/compass"
+  require 'middleman-more/core_extensions/compass'
 rescue LoadError
   $stderr.puts "Compass not installed: #{$!}"
 end
@@ -44,52 +44,52 @@ end
 
 # CacheBuster adds a query string to assets in dynamic templates to
 # avoid browser caches failing to update to your new content.
-require "middleman-more/extensions/cache_buster"
+require 'middleman-more/extensions/cache_buster'
 Middleman::Extensions::CacheBuster.register
 
 # RelativeAssets allow any asset path in dynamic templates to be either
 # relative to the root of the project or use an absolute URL.
-require "middleman-more/extensions/relative_assets"
+require 'middleman-more/extensions/relative_assets'
 Middleman::Extensions::RelativeAssets.register
 
 # AssetHost allows you to setup multiple domains to host your static
 # assets. Calls to asset paths in dynamic templates will then rotate
 # through each of the asset servers to better spread the load.
-require "middleman-more/extensions/asset_host"
+require 'middleman-more/extensions/asset_host'
 Middleman::Extensions::AssetHost.register
 
 # MinifyCss compresses CSS
-require "middleman-more/extensions/minify_css"
+require 'middleman-more/extensions/minify_css'
 Middleman::Extensions::MinifyCss.register
 
 # MinifyJavascript compresses JS
-require "middleman-more/extensions/minify_javascript"
+require 'middleman-more/extensions/minify_javascript'
 Middleman::Extensions::MinifyJavascript.register
 
 # GZIP assets and pages during build
-require "middleman-more/extensions/gzip"
+require 'middleman-more/extensions/gzip'
 Middleman::Extensions::Gzip.register
 
 # AssetHash appends a hash of the file contents to the assets filename
 # to avoid browser caches failing to update to your new content.
-require "middleman-more/extensions/asset_hash"
+require 'middleman-more/extensions/asset_hash'
 Middleman::Extensions::AssetHash.register
 
 # Provide Apache-style index.html files for directories
-require "middleman-more/extensions/directory_indexes"
+require 'middleman-more/extensions/directory_indexes'
 Middleman::Extensions::DirectoryIndexes.register
 
 # Lorem provides a handful of helpful prototyping methods to generate
 # words, paragraphs, fake images, names and email addresses.
-require "middleman-more/extensions/lorem"
+require 'middleman-more/extensions/lorem'
 
 # AutomaticImageSizes inspects the images used in your dynamic templates
 # and automatically adds width and height attributes to their HTML
 # elements.
-require "middleman-more/extensions/automatic_image_sizes"
+require 'middleman-more/extensions/automatic_image_sizes'
 Middleman::Extensions::AutomaticImageSizes.register
 
 # AutomaticAltTags uses the file name of the `image_tag` to generate
 # a default `:alt` value.
-require "middleman-more/extensions/automatic_alt_tags"
+require 'middleman-more/extensions/automatic_alt_tags'
 Middleman::Extensions::AutomaticAltTags.register
diff --git a/middleman-core/lib/middleman-core/core_extensions/data.rb b/middleman-core/lib/middleman-core/core_extensions/data.rb
index 68af37d3..ccd3db8d 100644
--- a/middleman-core/lib/middleman-core/core_extensions/data.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/data.rb
@@ -10,10 +10,10 @@ module Middleman
         # @private
         def registered(app)
           # Data formats
-          require "yaml"
-          require "active_support/json"
+          require 'yaml'
+          require 'active_support/json'
 
-          app.config.define_setting :data_dir, "data", "The directory data files are stored in"
+          app.config.define_setting :data_dir, 'data', 'The directory data files are stored in'
           app.send :include, InstanceMethods
         end
         alias :included :registered
@@ -101,7 +101,7 @@ module Middleman
 
           if %w(.yaml .yml).include?(extension)
             data = YAML.load_file(full_path)
-          elsif extension == ".json"
+          elsif extension == '.json'
             data = ActiveSupport::JSON.decode(full_path.read)
           else
             return
diff --git a/middleman-core/lib/middleman-core/core_extensions/extensions.rb b/middleman-core/lib/middleman-core/core_extensions/extensions.rb
index be3639a9..9f7fe708 100644
--- a/middleman-core/lib/middleman-core/core_extensions/extensions.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/extensions.rb
@@ -45,7 +45,7 @@ module Middleman
           app.define_hook :development_config
 
           app.config.define_setting :autoload_sprockets, true, 'Automatically load sprockets at startup?'
-          app.config[:autoload_sprockets] = (ENV["AUTOLOAD_SPROCKETS"] == "true") if ENV["AUTOLOAD_SPROCKETS"]
+          app.config[:autoload_sprockets] = (ENV['AUTOLOAD_SPROCKETS'] == 'true') if ENV['AUTOLOAD_SPROCKETS']
 
           app.extend ClassMethods
           app.send :include, InstanceMethods
@@ -147,7 +147,7 @@ module Middleman
 
           if config[:autoload_sprockets]
             begin
-              require "middleman-sprockets"
+              require 'middleman-sprockets'
               activate(:sprockets)
             rescue LoadError
             end
@@ -156,9 +156,9 @@ module Middleman
           run_hook :before_configuration
 
           # Check for and evaluate local configuration
-          local_config = File.join(root, "config.rb")
+          local_config = File.join(root, 'config.rb')
           if File.exists? local_config
-            logger.debug "== Reading:  Local config"
+            logger.debug '== Reading:  Local config'
             instance_eval File.read(local_config), local_config, 1
           end
 
@@ -171,14 +171,14 @@ module Middleman
           # don't completely reload middleman, I18n.load_path can get
           # polluted with paths from other test app directories that don't
           # exist anymore.
-          if ENV["TEST"]
+          if ENV['TEST']
             ::I18n.load_path.delete_if {|path| path =~ %r{tmp/aruba}}
             ::I18n.reload!
           end
 
           run_hook :after_configuration
 
-          logger.debug "Loaded extensions:"
+          logger.debug 'Loaded extensions:'
           self.extensions.each do |ext, klass|
             if ext.is_a?(Hash)
               ext.each do |k,_|
diff --git a/middleman-core/lib/middleman-core/core_extensions/external_helpers.rb b/middleman-core/lib/middleman-core/core_extensions/external_helpers.rb
index 6907740b..1a97e1a5 100644
--- a/middleman-core/lib/middleman-core/core_extensions/external_helpers.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/external_helpers.rb
@@ -9,8 +9,8 @@ module Middleman
         # once registered
         def registered(app)
           # Setup a default helpers paths
-          app.config.define_setting :helpers_dir, "helpers", 'Directory to autoload helper modules from'
-          app.config.define_setting :helpers_filename_glob, "**.rb", 'Glob pattern for matching helper ruby files'
+          app.config.define_setting :helpers_dir, 'helpers', 'Directory to autoload helper modules from'
+          app.config.define_setting :helpers_filename_glob, '**.rb', 'Glob pattern for matching helper ruby files'
           app.config.define_setting :helpers_filename_to_module_name_proc, Proc.new { |filename|
             basename = File.basename(filename, File.extname(filename))
             basename.camelcase
diff --git a/middleman-core/lib/middleman-core/core_extensions/file_watcher.rb b/middleman-core/lib/middleman-core/core_extensions/file_watcher.rb
index e7124a56..fbe39c1f 100644
--- a/middleman-core/lib/middleman-core/core_extensions/file_watcher.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/file_watcher.rb
@@ -1,5 +1,5 @@
-require "pathname"
-require "set"
+require 'pathname'
+require 'set'
 
 # API for watching file change events
 module Middleman
@@ -128,7 +128,7 @@ module Middleman
             path = Pathname(path)
             return unless path.exist?
 
-            glob = (path + "**").to_s
+            glob = (path + '**').to_s
             subset = @known_paths.select { |p| p.fnmatch(glob) }
 
             ::Middleman::Util.all_files_under(path).each do |filepath|
diff --git a/middleman-core/lib/middleman-core/core_extensions/front_matter.rb b/middleman-core/lib/middleman-core/core_extensions/front_matter.rb
index f1b203a5..b5102625 100644
--- a/middleman-core/lib/middleman-core/core_extensions/front_matter.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/front_matter.rb
@@ -1,11 +1,11 @@
-require "active_support/core_ext/hash/keys"
+require 'active_support/core_ext/hash/keys'
 require 'pathname'
 
 # Parsing YAML frontmatter
-require "yaml"
+require 'yaml'
 
 # Parsing JSON frontmatter
-require "active_support/json"
+require 'active_support/json'
 
 # Extensions namespace
 module Middleman::CoreExtensions
@@ -108,9 +108,9 @@ module Middleman::CoreExtensions
       # Copied from Sitemap::Store#file_to_path, but without
       # removing the file extension
       file = File.join(app.root, file)
-      prefix = app.source_dir.sub(/\/$/, "") + "/"
+      prefix = app.source_dir.sub(/\/$/, '') + '/'
       return unless file.include?(prefix)
-      path = file.sub(prefix, "").sub(/\.frontmatter$/, "")
+      path = file.sub(prefix, '').sub(/\.frontmatter$/, '')
 
       @cache.delete(path)
     end
@@ -122,7 +122,7 @@ module Middleman::CoreExtensions
     def parse_yaml_front_matter(content, full_path)
       yaml_regex = /\A(---\s*\n.*?\n?)^(---\s*$\n?)/m
       if content =~ yaml_regex
-        content = content.sub(yaml_regex, "")
+        content = content.sub(yaml_regex, '')
 
         begin
           data = YAML.load($1) || {}
@@ -144,10 +144,10 @@ module Middleman::CoreExtensions
       json_regex = /\A(;;;\s*\n.*?\n?)^(;;;\s*$\n?)/m
 
       if content =~ json_regex
-        content = content.sub(json_regex, "")
+        content = content.sub(json_regex, '')
 
         begin
-          json = ($1+$2).sub(";;;", "{").sub(";;;", "}")
+          json = ($1+$2).sub(';;;', '{').sub(';;;', '}')
           data = ActiveSupport::JSON.decode(json).symbolize_keys
         rescue => e
           app.logger.error "JSON Exception parsing #{full_path}: #{e.message}"
@@ -196,7 +196,7 @@ module Middleman::CoreExtensions
     end
 
     def normalize_path(path)
-      path.sub(%r{^#{Regexp.escape(app.source_dir)}\/}, "")
+      path.sub(%r{^#{Regexp.escape(app.source_dir)}\/}, '')
     end
   end
 end
diff --git a/middleman-core/lib/middleman-core/core_extensions/rendering.rb b/middleman-core/lib/middleman-core/core_extensions/rendering.rb
index a77e6b2b..489b88ac 100644
--- a/middleman-core/lib/middleman-core/core_extensions/rendering.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/rendering.rb
@@ -28,65 +28,65 @@ module Middleman
           require 'active_support/core_ext/string/output_safety'
 
           # Activate custom renderers
-          require "middleman-core/renderers/erb"
+          require 'middleman-core/renderers/erb'
           app.register Middleman::Renderers::ERb
 
           # CoffeeScript Support
           begin
-            require "middleman-core/renderers/coffee_script"
+            require 'middleman-core/renderers/coffee_script'
             app.register Middleman::Renderers::CoffeeScript
           rescue LoadError
           end
 
           # Haml Support
           begin
-            require "middleman-core/renderers/haml"
+            require 'middleman-core/renderers/haml'
             app.register Middleman::Renderers::Haml
           rescue LoadError
           end
 
           # Sass Support
           begin
-            require "middleman-core/renderers/sass"
+            require 'middleman-core/renderers/sass'
             app.register Middleman::Renderers::Sass
           rescue LoadError
           end
 
           # Markdown Support
-          require "middleman-core/renderers/markdown"
+          require 'middleman-core/renderers/markdown'
           app.register Middleman::Renderers::Markdown
 
           # AsciiDoc Support
           begin
-            require "middleman-core/renderers/asciidoc"
+            require 'middleman-core/renderers/asciidoc'
             app.register Middleman::Renderers::AsciiDoc
           rescue LoadError
           end
 
           # Liquid Support
           begin
-            require "middleman-core/renderers/liquid"
+            require 'middleman-core/renderers/liquid'
             app.register Middleman::Renderers::Liquid
           rescue LoadError
           end
 
           # Slim Support
           begin
-            require "middleman-core/renderers/slim"
+            require 'middleman-core/renderers/slim'
             app.register Middleman::Renderers::Slim
           rescue LoadError
           end
 
           # Less Support
           begin
-            require "middleman-core/renderers/less"
+            require 'middleman-core/renderers/less'
             app.register Middleman::Renderers::Less
           rescue LoadError
           end
 
           # Stylus Support
           begin
-            require "middleman-core/renderers/stylus"
+            require 'middleman-core/renderers/stylus'
             app.register Middleman::Renderers::Stylus
           rescue LoadError
           end
@@ -198,7 +198,7 @@ module Middleman
             engine = File.extname(resource.source_file)[1..-1].to_sym
 
             # Look for partials relative to the current path
-            relative_dir = File.join(current_dir.sub(%r{^#{Regexp.escape(self.source_dir)}/?}, ""), data)
+            relative_dir = File.join(current_dir.sub(%r{^#{Regexp.escape(self.source_dir)}/?}, ''), data)
 
             # Try to use the current engine first
             found_partial, found_engine = resolve_template(relative_dir, :preferred_engine => engine, :try_without_underscore => true)
@@ -246,7 +246,7 @@ module Middleman
           context.current_engine, engine_was = engine, context.current_engine
           
           # Save current buffer for later
-          @_out_buf, _buf_was = "", @_out_buf
+          @_out_buf, _buf_was = '', @_out_buf
 
           # Read from disk or cache the contents of the file
           body = if opts[:template_body]
@@ -284,7 +284,7 @@ module Middleman
             content = callback.call(content, path, locs, template_class)
           end
 
-          output = ::ActiveSupport::SafeBuffer.new ""
+          output = ::ActiveSupport::SafeBuffer.new ''
           output.safe_concat content
           output
         ensure
@@ -400,7 +400,7 @@ module Middleman
         # @return [void]
         def wrap_layout(layout_name, &block)
           # Save current buffer for later
-          @_out_buf, _buf_was = "", @_out_buf
+          @_out_buf, _buf_was = '', @_out_buf
 
           layout_path = locate_layout(layout_name, self.current_engine)
 
@@ -414,7 +414,7 @@ module Middleman
             content = if block_given?
               capture_html(&block)
             else
-              ""
+              ''
             end
           ensure
             # Reset stored buffer
@@ -450,7 +450,7 @@ module Middleman
             on_disk_path  = File.expand_path(relative_path, self.source_dir)
 
             # By default, any engine will do
-            preferred_engine = "*"
+            preferred_engine = '*'
 
             # Unless we're specifically looking for a preferred engine
             if options.has_key?(:preferred_engine)
@@ -466,14 +466,14 @@ module Middleman
 
               # Change the glob to only look for the matched extensions
               if matched_exts.length > 0
-                preferred_engine = "{" + matched_exts.join(",") + "}"
+                preferred_engine = '{' + matched_exts.join(',') + '}'
               else
                 return false
               end
             end
 
             # Look for files that match
-            path_with_ext = on_disk_path + "." + preferred_engine
+            path_with_ext = on_disk_path + '.' + preferred_engine
 
             found_path = Dir[path_with_ext].find do |path|
               ::Tilt[path]
@@ -481,8 +481,8 @@ module Middleman
 
             if !found_path && options[:try_without_underscore] &&
               path_no_underscore = path_with_ext.
-                sub(relative_path, relative_path.sub(/^_/, "").
-                sub(/\/_/, "/"))
+                sub(relative_path, relative_path.sub(/^_/, '').
+                sub(/\/_/, '/'))
               found_path = Dir[path_no_underscore].find do |path|
                 ::Tilt[path]
               end
diff --git a/middleman-core/lib/middleman-core/core_extensions/request.rb b/middleman-core/lib/middleman-core/core_extensions/request.rb
index 9f916766..f34daa7f 100644
--- a/middleman-core/lib/middleman-core/core_extensions/request.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/request.rb
@@ -1,8 +1,8 @@
 # Built on Rack
-require "rack"
-require "rack/file"
-require "rack/lint"
-require "rack/head"
+require 'rack'
+require 'rack/file'
+require 'rack/lint'
+require 'rack/head'
 
 module Middleman
   module CoreExtensions
@@ -77,7 +77,7 @@ module Middleman
             end
 
             inner_app = inst(&block)
-            app.map("/") { run inner_app }
+            app.map('/') { run inner_app }
 
             Array(@mappings).each do |path, block|
               app.map(path, &block)
@@ -227,7 +227,7 @@ module Middleman
           start_time = Time.now
           current_path = nil
 
-          request_path = URI.decode(env["PATH_INFO"].dup)
+          request_path = URI.decode(env['PATH_INFO'].dup)
           if request_path.respond_to? :force_encoding
             request_path.force_encoding('UTF-8')
           end
@@ -296,7 +296,7 @@ module Middleman
           # Do not set Content-Type if status is 1xx, 204, 205 or 304, otherwise
           # Rack will throw an error (500)
           if !(100..199).include?(status) && ![204, 205, 304].include?(status)
-            response[1]['Content-Type'] = resource.content_type || "application/octet-stream"
+            response[1]['Content-Type'] = resource.content_type || 'application/octet-stream'
           end
           halt response
         end
diff --git a/middleman-core/lib/middleman-core/core_extensions/routing.rb b/middleman-core/lib/middleman-core/core_extensions/routing.rb
index 338a2a78..ea53efeb 100644
--- a/middleman-core/lib/middleman-core/core_extensions/routing.rb
+++ b/middleman-core/lib/middleman-core/core_extensions/routing.rb
@@ -35,7 +35,7 @@ module Middleman
           opts[:layout] = config[:layout] if opts[:layout].nil?
 
           # If the url is a regexp
-          if url.is_a?(Regexp) || url.include?("*")
+          if url.is_a?(Regexp) || url.include?('*')
 
             # Use the metadata loop for matching against paths at runtime
             sitemap.provides_metadata_for_path(url) do |_|
diff --git a/middleman-core/lib/middleman-core/extensions.rb b/middleman-core/lib/middleman-core/extensions.rb
index d736e554..2c97fea0 100644
--- a/middleman-core/lib/middleman-core/extensions.rb
+++ b/middleman-core/lib/middleman-core/extensions.rb
@@ -1,5 +1,5 @@
-require "active_support/core_ext/class/attribute"
-require "active_support/core_ext/module/delegation"
+require 'active_support/core_ext/class/attribute'
+require 'active_support/core_ext/module/delegation'
 
 module Middleman
 
@@ -53,7 +53,7 @@ module Middleman
   end
 
   # Where to look in gems for extensions to auto-register
-  EXTENSION_FILE = File.join("lib", "middleman_extension.rb") unless const_defined?(:EXTENSION_FILE)
+  EXTENSION_FILE = File.join('lib', 'middleman_extension.rb') unless const_defined?(:EXTENSION_FILE)
 
   class << self
     # Automatically load extensions from available RubyGems
@@ -61,7 +61,7 @@ module Middleman
     #
     # @private
     def load_extensions_in_path
-      require "rubygems"
+      require 'rubygems'
 
       extensions = rubygems_latest_specs.select do |spec|
         spec_has_file?(spec, EXTENSION_FILE)
@@ -130,7 +130,7 @@ module Middleman
       end
 
       def extension_name
-        self.ext_name || self.name.underscore.split("/").last.to_sym
+        self.ext_name || self.name.underscore.split('/').last.to_sym
       end
 
       def register(n=self.extension_name)
diff --git a/middleman-core/lib/middleman-core/load_paths.rb b/middleman-core/lib/middleman-core/load_paths.rb
index fded96de..673563f6 100644
--- a/middleman-core/lib/middleman-core/load_paths.rb
+++ b/middleman-core/lib/middleman-core/load_paths.rb
@@ -1,5 +1,5 @@
 # Core Pathname library used for traversal
-require "pathname"
+require 'pathname'
 
 module Middleman
 
@@ -8,20 +8,20 @@ module Middleman
       @_is_setup ||= begin
 
         # Only look for config.rb if MM_ROOT isn't set
-        if !ENV["MM_ROOT"] && found_path = locate_root
-          ENV["MM_ROOT"] = found_path
+        if !ENV['MM_ROOT'] && found_path = locate_root
+          ENV['MM_ROOT'] = found_path
         end
 
         is_bundler_setup = false
 
         # If we've found the root, try to setup Bundler
-        if ENV["MM_ROOT"]
+        if ENV['MM_ROOT']
 
-          root_gemfile = File.expand_path('Gemfile', ENV["MM_ROOT"])
+          root_gemfile = File.expand_path('Gemfile', ENV['MM_ROOT'])
           ENV['BUNDLE_GEMFILE'] ||= root_gemfile
 
           if !File.exists?(ENV['BUNDLE_GEMFILE'])
-            git_gemfile = Pathname.new(__FILE__).expand_path.parent.parent.parent + "Gemfile"
+            git_gemfile = Pathname.new(__FILE__).expand_path.parent.parent.parent + 'Gemfile'
             ENV['BUNDLE_GEMFILE'] = git_gemfile.to_s
           end
 
@@ -32,7 +32,7 @@ module Middleman
         end
 
         # Automatically discover extensions in RubyGems
-        require "middleman-core/extensions"
+        require 'middleman-core/extensions'
 
         if is_bundler_setup
           Bundler.require
diff --git a/middleman-core/lib/middleman-core/logger.rb b/middleman-core/lib/middleman-core/logger.rb
index 51e3912e..e75f07f2 100644
--- a/middleman-core/lib/middleman-core/logger.rb
+++ b/middleman-core/lib/middleman-core/logger.rb
@@ -27,7 +27,7 @@ module Middleman
     end
 
     def call(message, *args)
-      return if @instrumenting.is_a?(String) && @instrumenting != "instrument" && !message.include?(@instrumenting)
+      return if @instrumenting.is_a?(String) && @instrumenting != 'instrument' && !message.include?(@instrumenting)
 
       evt = ActiveSupport::Notifications::Event.new(message, *args)
       self.info "== Instrument (#{evt.name.sub(/.middleman$/, '')}): #{evt.duration}ms"
diff --git a/middleman-core/lib/middleman-core/meta_pages.rb b/middleman-core/lib/middleman-core/meta_pages.rb
index 6818328f..b88d0215 100644
--- a/middleman-core/lib/middleman-core/meta_pages.rb
+++ b/middleman-core/lib/middleman-core/meta_pages.rb
@@ -19,7 +19,7 @@ module Middleman
         meta_pages = self
         @rack_app = Rack::Builder.new do
           # Serve assets from metadata/assets
-          use Rack::Static, :urls => ["/assets"], :root => File.join(File.dirname(__FILE__), 'meta_pages')
+          use Rack::Static, :urls => ['/assets'], :root => File.join(File.dirname(__FILE__), 'meta_pages')
 
           map '/' do
             run meta_pages.method(:index)
@@ -96,7 +96,7 @@ module Middleman
 
       # Respond to an HTML request
       def response(content)
-        [ 200, {"Content-Type" => "text/html"}, Array(content) ]
+        [ 200, {'Content-Type' => 'text/html'}, Array(content) ]
       end
 
       def extension_options(extension)
diff --git a/middleman-core/lib/middleman-core/meta_pages/config_setting.rb b/middleman-core/lib/middleman-core/meta_pages/config_setting.rb
index 337e4976..360eda67 100644
--- a/middleman-core/lib/middleman-core/meta_pages/config_setting.rb
+++ b/middleman-core/lib/middleman-core/meta_pages/config_setting.rb
@@ -10,18 +10,18 @@ module Middleman
       end
 
       def render
-        content = ""
+        content = ''
         key_classes = ['key']
         key_classes << 'modified' if @setting.value_set?
         content << content_tag(:span, @setting.key.inspect, :class => key_classes.join(' '))
-        content << " = "
+        content << ' = '
         content << content_tag(:span, @setting.value.inspect, :class => 'value')
         if @setting.default
           content << content_tag(:span, :class => 'default') do
             if @setting.value_set?
               "Default: #{@setting.default.inspect}"
             else
-              "(Default)"
+              '(Default)'
             end
           end
         end
diff --git a/middleman-core/lib/middleman-core/meta_pages/sitemap_resource.rb b/middleman-core/lib/middleman-core/meta_pages/sitemap_resource.rb
index 2532fca2..b283ce77 100644
--- a/middleman-core/lib/middleman-core/meta_pages/sitemap_resource.rb
+++ b/middleman-core/lib/middleman-core/meta_pages/sitemap_resource.rb
@@ -17,10 +17,10 @@ module Middleman
       def render
         content_tag :div, :class => 'resource-details' do
           content_tag :table do
-            content = ""
+            content = ''
             resource_properties.each do |label, value|
               content << content_tag(:tr) do
-                row_content = ""
+                row_content = ''
                 row_content << content_tag(:th, label)
                 row_content << content_tag(:td, value)
                 row_content.html_safe
diff --git a/middleman-core/lib/middleman-core/meta_pages/sitemap_tree.rb b/middleman-core/lib/middleman-core/meta_pages/sitemap_tree.rb
index 55426d1d..21dd4d51 100644
--- a/middleman-core/lib/middleman-core/meta_pages/sitemap_tree.rb
+++ b/middleman-core/lib/middleman-core/meta_pages/sitemap_tree.rb
@@ -13,7 +13,7 @@ module Middleman
       end
 
       def render
-        content = ""
+        content = ''
         @children.keys.sort do |a,b|
           a_subtree = @children[a]
           b_subtree = @children[b]
@@ -35,11 +35,11 @@ module Middleman
         end.each do |path_part|
           subtree = @children[path_part]
           content << "<details class='#{subtree.css_classes.join(' ')}'>"
-          content << "<summary>"
+          content << '<summary>'
           content << "<i class='icon-folder-open'></i>" unless subtree.is_a? SitemapResource
           content << "#{path_part}</summary>"
           content << subtree.render
-          content << "</details>"
+          content << '</details>'
         end
         content
       end
@@ -66,7 +66,7 @@ module Middleman
       end
 
       def to_s
-        "Sitemap Tree"
+        'Sitemap Tree'
       end
     end
   end
diff --git a/middleman-core/lib/middleman-core/preview_server.rb b/middleman-core/lib/middleman-core/preview_server.rb
index f94eeec3..1f683142 100644
--- a/middleman-core/lib/middleman-core/preview_server.rb
+++ b/middleman-core/lib/middleman-core/preview_server.rb
@@ -1,4 +1,4 @@
-require "webrick"
+require 'webrick'
 require 'middleman-core/meta_pages'
 
 module Middleman
@@ -29,7 +29,7 @@ module Middleman
 
           # Save the last-used @options so it may be re-used when
           # reloading later on.
-          ::Middleman::Profiling.report("server_start")
+          ::Middleman::Profiling.report('server_start')
 
           loop do
             @webrick.start
@@ -50,7 +50,7 @@ module Middleman
       # @return [void]
       def stop
         begin
-          logger.info "== The Middleman is shutting down"
+          logger.info '== The Middleman is shutting down'
         rescue
           # if the user closed their terminal STDOUT/STDERR won't exist
         end
@@ -65,20 +65,20 @@ module Middleman
       # Simply stop, then start the server
       # @return [void]
       def reload
-        logger.info "== The Middleman is reloading"
+        logger.info '== The Middleman is reloading'
 
         begin
           app = new_app
         rescue Exception => e
           logger.error "Error reloading Middleman: #{e}\n#{e.backtrace.join("\n")}"
-          logger.info "== The Middleman is still running the application from before the error"
+          logger.info '== The Middleman is still running the application from before the error'
           return
         end
 
         unmount_instance
         mount_instance(app)
 
-        logger.info "== The Middleman has reloaded"
+        logger.info '== The Middleman has reloaded'
       end
 
       # Stop the current instance, exit Webrick
@@ -115,7 +115,7 @@ module Middleman
 
         if first_run
           # Watcher Library
-          require "listen"
+          require 'listen'
           @listener = Listen.to(Dir.pwd, :relative_paths => true, :force_polling => @options[:force_polling])
           @listener.latency(@options[:latency])
         end
@@ -190,13 +190,13 @@ module Middleman
         start_file_watcher
 
         rack_app = app.class.to_rack_app
-        @webrick.mount "/", ::Rack::Handler::WEBrick, rack_app
+        @webrick.mount '/', ::Rack::Handler::WEBrick, rack_app
       end
 
       # Detach the current Middleman::Application instance
       # @return [void]
       def unmount_instance
-        @webrick.unmount "/"
+        @webrick.unmount '/'
         @app = nil
       end
 
diff --git a/middleman-core/lib/middleman-core/profiling.rb b/middleman-core/lib/middleman-core/profiling.rb
index 961da23b..0e54f41e 100644
--- a/middleman-core/lib/middleman-core/profiling.rb
+++ b/middleman-core/lib/middleman-core/profiling.rb
@@ -46,7 +46,7 @@ module Middleman
         result = RubyProf.stop
 
         printer = RubyProf::GraphHtmlPrinter.new(result)
-        outfile = File.join("profile", report_name)
+        outfile = File.join('profile', report_name)
         outfile = (outfile + '.html') unless outfile.end_with? '.html'
         FileUtils.mkdir_p(File.dirname(outfile))
         File.open(outfile, 'w') do |f|
diff --git a/middleman-core/lib/middleman-core/renderers/coffee_script.rb b/middleman-core/lib/middleman-core/renderers/coffee_script.rb
index 69b141fe..92b30f38 100644
--- a/middleman-core/lib/middleman-core/renderers/coffee_script.rb
+++ b/middleman-core/lib/middleman-core/renderers/coffee_script.rb
@@ -1,5 +1,5 @@
 # Require gem
-require "coffee_script"
+require 'coffee_script'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/renderers/erb.rb b/middleman-core/lib/middleman-core/renderers/erb.rb
index e6a6f6b6..9ebebd82 100644
--- a/middleman-core/lib/middleman-core/renderers/erb.rb
+++ b/middleman-core/lib/middleman-core/renderers/erb.rb
@@ -21,7 +21,7 @@ module Middleman
             # Convert symbols to classes
             if config[:erb_engine].is_a? Symbol
               engine = engine.to_s
-              engine = engine == "erb" ? "ERB" : engine.camelize
+              engine = engine == 'erb' ? 'ERB' : engine.camelize
               config[:erb_engine] = config[:erb_engine_prefix].const_get("#{engine}Template")
             end
 
diff --git a/middleman-core/lib/middleman-core/renderers/haml.rb b/middleman-core/lib/middleman-core/renderers/haml.rb
index 589a3121..5d68d568 100644
--- a/middleman-core/lib/middleman-core/renderers/haml.rb
+++ b/middleman-core/lib/middleman-core/renderers/haml.rb
@@ -1,5 +1,5 @@
 # Require gem
-require "haml"
+require 'haml'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/renderers/kramdown.rb b/middleman-core/lib/middleman-core/renderers/kramdown.rb
index 9701d0d2..bccfea76 100644
--- a/middleman-core/lib/middleman-core/renderers/kramdown.rb
+++ b/middleman-core/lib/middleman-core/renderers/kramdown.rb
@@ -1,4 +1,4 @@
-require "kramdown"
+require 'kramdown'
 
 module Middleman
   module Renderers
@@ -30,7 +30,7 @@ module Middleman
 
         if el.attr['href'] =~ /\Amailto:/
           mail_addr = el.attr['href'].sub(/\Amailto:/, '')
-          href = obfuscate('mailto') << ":" << obfuscate(mail_addr)
+          href = obfuscate('mailto') << ':' << obfuscate(mail_addr)
           content = obfuscate(content) if content == mail_addr
           return %Q{<a href="#{href}">#{content}</a>}
         end
diff --git a/middleman-core/lib/middleman-core/renderers/less.rb b/middleman-core/lib/middleman-core/renderers/less.rb
index 6784e54c..2f560073 100644
--- a/middleman-core/lib/middleman-core/renderers/less.rb
+++ b/middleman-core/lib/middleman-core/renderers/less.rb
@@ -1,4 +1,4 @@
-require "less"
+require 'less'
 
 module Middleman
   module Renderers
@@ -37,7 +37,7 @@ module Middleman
           if ::Less.const_defined? :Engine
             @engine = ::Less::Engine.new(data)
           else
-            parser  = ::Less::Parser.new(options.merge :filename => eval_file, :line => line, :paths => [".", File.dirname(eval_file)])
+            parser  = ::Less::Parser.new(options.merge :filename => eval_file, :line => line, :paths => ['.', File.dirname(eval_file)])
             @engine = parser.parse(data)
           end
         end
diff --git a/middleman-core/lib/middleman-core/renderers/liquid.rb b/middleman-core/lib/middleman-core/renderers/liquid.rb
index 6c3287d1..8bbac6ec 100644
--- a/middleman-core/lib/middleman-core/renderers/liquid.rb
+++ b/middleman-core/lib/middleman-core/renderers/liquid.rb
@@ -1,5 +1,5 @@
 # Require Gem
-require "liquid"
+require 'liquid'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/renderers/markdown.rb b/middleman-core/lib/middleman-core/renderers/markdown.rb
index eb36d895..61e22b17 100644
--- a/middleman-core/lib/middleman-core/renderers/markdown.rb
+++ b/middleman-core/lib/middleman-core/renderers/markdown.rb
@@ -28,18 +28,18 @@ module Middleman
             begin
               # Look for the user's preferred engine
               if config[:markdown_engine] == :redcarpet
-                require "middleman-core/renderers/redcarpet"
+                require 'middleman-core/renderers/redcarpet'
                 ::Tilt.prefer(::Middleman::Renderers::RedcarpetTemplate, *markdown_exts)
                 MiddlemanRedcarpetHTML.middleman_app = self
               elsif config[:markdown_engine] == :kramdown
-                require "middleman-core/renderers/kramdown"
+                require 'middleman-core/renderers/kramdown'
                 ::Tilt.prefer(::Middleman::Renderers::KramdownTemplate, *markdown_exts)
                 MiddlemanKramdownHTML.middleman_app = self
               elsif !config[:markdown_engine].nil?
                 # Map symbols to classes
                 markdown_engine_klass = if config[:markdown_engine].is_a? Symbol
                   engine = config[:markdown_engine].to_s
-                  engine = engine == "rdiscount" ? "RDiscount" : engine.camelize
+                  engine = engine == 'rdiscount' ? 'RDiscount' : engine.camelize
                   config[:markdown_engine_prefix].const_get("#{engine}Template")
                 else
                   config[:markdown_engine_prefix]
diff --git a/middleman-core/lib/middleman-core/renderers/redcarpet.rb b/middleman-core/lib/middleman-core/renderers/redcarpet.rb
index a2e75b03..79b4f37e 100644
--- a/middleman-core/lib/middleman-core/renderers/redcarpet.rb
+++ b/middleman-core/lib/middleman-core/renderers/redcarpet.rb
@@ -1,4 +1,4 @@
-require "redcarpet"
+require 'redcarpet'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/renderers/sass.rb b/middleman-core/lib/middleman-core/renderers/sass.rb
index d6d78852..1145d55c 100644
--- a/middleman-core/lib/middleman-core/renderers/sass.rb
+++ b/middleman-core/lib/middleman-core/renderers/sass.rb
@@ -1,4 +1,4 @@
-require "sass"
+require 'sass'
 
 module Middleman
   module Renderers
@@ -79,7 +79,7 @@ module Middleman
           
             parts = basename.split('.')
             parts.pop
-            more_opts[:css_filename] = File.join(location_of_sass_file, @context.config[:css_dir], parts.join("."))
+            more_opts[:css_filename] = File.join(location_of_sass_file, @context.config[:css_dir], parts.join('.'))
           end
           
           options.merge(more_opts)
diff --git a/middleman-core/lib/middleman-core/renderers/slim.rb b/middleman-core/lib/middleman-core/renderers/slim.rb
index cb6441e8..02ee1fed 100644
--- a/middleman-core/lib/middleman-core/renderers/slim.rb
+++ b/middleman-core/lib/middleman-core/renderers/slim.rb
@@ -1,5 +1,5 @@
 # Load gem
-require "slim"
+require 'slim'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/renderers/stylus.rb b/middleman-core/lib/middleman-core/renderers/stylus.rb
index 32250354..87109104 100644
--- a/middleman-core/lib/middleman-core/renderers/stylus.rb
+++ b/middleman-core/lib/middleman-core/renderers/stylus.rb
@@ -1,5 +1,5 @@
-require "stylus"
-require "stylus/tilt"
+require 'stylus'
+require 'stylus/tilt'
 
 module Middleman
   module Renderers
diff --git a/middleman-core/lib/middleman-core/sitemap.rb b/middleman-core/lib/middleman-core/sitemap.rb
index bd4a79c6..61f5de97 100644
--- a/middleman-core/lib/middleman-core/sitemap.rb
+++ b/middleman-core/lib/middleman-core/sitemap.rb
@@ -1,11 +1,11 @@
-require "middleman-core/sitemap/store"
-require "middleman-core/sitemap/resource"
+require 'middleman-core/sitemap/store'
+require 'middleman-core/sitemap/resource'
 
-require "middleman-core/sitemap/extensions/on_disk"
-require "middleman-core/sitemap/extensions/redirects"
-require "middleman-core/sitemap/extensions/request_endpoints"
-require "middleman-core/sitemap/extensions/proxies"
-require "middleman-core/sitemap/extensions/ignores"
+require 'middleman-core/sitemap/extensions/on_disk'
+require 'middleman-core/sitemap/extensions/redirects'
+require 'middleman-core/sitemap/extensions/request_endpoints'
+require 'middleman-core/sitemap/extensions/proxies'
+require 'middleman-core/sitemap/extensions/ignores'
 
 # Core Sitemap Extensions
 module Middleman
diff --git a/middleman-core/lib/middleman-core/sitemap/extensions/ignores.rb b/middleman-core/lib/middleman-core/sitemap/extensions/ignores.rb
index 2c9feb68..59553626 100644
--- a/middleman-core/lib/middleman-core/sitemap/extensions/ignores.rb
+++ b/middleman-core/lib/middleman-core/sitemap/extensions/ignores.rb
@@ -28,7 +28,7 @@ module Middleman
           def ignored?
             @app.ignore_manager.ignored?(path) ||
             (!proxy? &&
-              @app.ignore_manager.ignored?(source_file.sub("#{@app.source_dir}/", ""))
+              @app.ignore_manager.ignored?(source_file.sub("#{@app.source_dir}/", ''))
             )
           end
         end
@@ -64,7 +64,7 @@ module Middleman
               @ignored_callbacks << Proc.new {|p| p =~ path }
             elsif path.is_a? String
               path_clean = ::Middleman::Util.normalize_path(path)
-              if path_clean.include?("*") # It's a glob
+              if path_clean.include?('*') # It's a glob
                 @ignored_callbacks << Proc.new {|p| File.fnmatch(path_clean, p) }
               else
                 # Add a specific-path ignore unless that path is already covered
diff --git a/middleman-core/lib/middleman-core/sitemap/extensions/traversal.rb b/middleman-core/lib/middleman-core/sitemap/extensions/traversal.rb
index 2eb92649..78f8eb28 100644
--- a/middleman-core/lib/middleman-core/sitemap/extensions/traversal.rb
+++ b/middleman-core/lib/middleman-core/sitemap/extensions/traversal.rb
@@ -8,7 +8,7 @@ module Middleman
         # This resource's parent resource
         # @return [Middleman::Sitemap::Resource, nil]
         def parent
-          parts = path.split("/")
+          parts = path.split('/')
           parts.pop if path.include?(app.index_file)
 
           return nil if parts.length < 1
@@ -16,7 +16,7 @@ module Middleman
           parts.pop
           parts << app.index_file
 
-          parent_path = "/" + parts.join("/")
+          parent_path = '/' + parts.join('/')
 
           store.find_resource_by_destination_path(parent_path)
         end
@@ -30,7 +30,7 @@ module Middleman
             base_path = eponymous_directory_path
             prefix    = %r|^#{base_path.sub("/", "\\/")}|
           else
-            base_path = path.sub("#{app.index_file}", "")
+            base_path = path.sub("#{app.index_file}", '')
             prefix    = %r|^#{base_path.sub("/", "\\/")}|
           end
 
@@ -38,8 +38,8 @@ module Middleman
             if sub_resource.path == self.path || sub_resource.path !~ prefix
               false
             else
-              inner_path = sub_resource.path.sub(prefix, "")
-              parts = inner_path.split("/")
+              inner_path = sub_resource.path.sub(prefix, '')
+              parts = inner_path.split('/')
               if parts.length == 1
                 true
               elsif parts.length == 2
@@ -79,7 +79,7 @@ module Middleman
         # (e.g., for 'gallery.html' this would return 'gallery/')
         # @return [String]
         def eponymous_directory_path
-          path.sub(ext, '/').sub(/\/$/, "") + "/"
+          path.sub(ext, '/').sub(/\/$/, '') + '/'
         end
       end
     end
diff --git a/middleman-core/lib/middleman-core/sitemap/queryable.rb b/middleman-core/lib/middleman-core/sitemap/queryable.rb
index 59ce45ce..5ee8a470 100644
--- a/middleman-core/lib/middleman-core/sitemap/queryable.rb
+++ b/middleman-core/lib/middleman-core/sitemap/queryable.rb
@@ -1,4 +1,4 @@
-require "active_support/core_ext/object/inclusion"
+require 'active_support/core_ext/object/inclusion'
 
 module Middleman
   module Sitemap
diff --git a/middleman-core/lib/middleman-core/sitemap/resource.rb b/middleman-core/lib/middleman-core/sitemap/resource.rb
index d33260b3..ae3f7ae7 100644
--- a/middleman-core/lib/middleman-core/sitemap/resource.rb
+++ b/middleman-core/lib/middleman-core/sitemap/resource.rb
@@ -1,5 +1,5 @@
-require "middleman-core/sitemap/extensions/traversal"
-require "middleman-core/sitemap/extensions/content_type"
+require 'middleman-core/sitemap/extensions/traversal'
+require 'middleman-core/sitemap/extensions/content_type'
 
 module Middleman
 
@@ -111,14 +111,14 @@ module Middleman
 
         relative_source = Pathname(source_file).relative_path_from(Pathname(app.root))
 
-        instrument "render.resource", :path => relative_source  do
+        instrument 'render.resource', :path => relative_source  do
           md   = metadata.dup
           opts = md[:options].deep_merge(opts)
 
           # Pass "renderer_options" hash from frontmatter along to renderer
-          if md[:page]["renderer_options"]
+          if md[:page]['renderer_options']
             opts[:renderer_options] = {}
-            md[:page]["renderer_options"].each do |k, v|
+            md[:page]['renderer_options'].each do |k, v|
               opts[:renderer_options][k.to_sym] = v
             end
           end
@@ -127,7 +127,7 @@ module Middleman
 
           # Forward remaining data to helpers
           if md.has_key?(:page)
-            app.data.store("page", md[:page])
+            app.data.store('page', md[:page])
           end
 
           blocks = Array(md[:blocks]).dup
diff --git a/middleman-core/lib/middleman-core/sitemap/store.rb b/middleman-core/lib/middleman-core/sitemap/store.rb
index 91107a75..f87647bd 100644
--- a/middleman-core/lib/middleman-core/sitemap/store.rb
+++ b/middleman-core/lib/middleman-core/sitemap/store.rb
@@ -1,7 +1,7 @@
 # Used for merging results of metadata callbacks
-require "active_support/core_ext/hash/deep_merge"
+require 'active_support/core_ext/hash/deep_merge'
 require 'monitor'
-require "middleman-core/sitemap/queryable"
+require 'middleman-core/sitemap/queryable'
 
 module Middleman
 
@@ -161,7 +161,7 @@ module Middleman
           when Regexp
             next result unless request_path =~ matcher
           when String
-            next result unless File.fnmatch("/" + Util.strip_leading_slash(matcher), "/#{request_path}")
+            next result unless File.fnmatch('/' + Util.strip_leading_slash(matcher), "/#{request_path}")
           end
 
           metadata = callback.call(request_path).dup
@@ -178,14 +178,14 @@ module Middleman
       def file_to_path(file)
         file = File.join(@app.root, file)
 
-        prefix = @app.source_dir.sub(/\/$/, "") + "/"
+        prefix = @app.source_dir.sub(/\/$/, '') + '/'
         return false unless file.start_with?(prefix)
 
-        path = file.sub(prefix, "")
+        path = file.sub(prefix, '')
 
         # Replace a file name containing automatic_directory_matcher with a folder
         unless @app.config[:automatic_directory_matcher].nil?
-          path = path.gsub(@app.config[:automatic_directory_matcher], "/")
+          path = path.gsub(@app.config[:automatic_directory_matcher], '/')
         end
 
         extensionless_path(path)
@@ -211,7 +211,7 @@ module Middleman
           return unless @needs_sitemap_rebuild
           @needs_sitemap_rebuild = false
 
-          @app.logger.debug "== Rebuilding resource list"
+          @app.logger.debug '== Rebuilding resource list'
 
           @resources = @resource_list_manipulators.inject([]) do |result, (_, inst)|
             newres = inst.manipulate_resource_list(result)
@@ -244,7 +244,7 @@ module Middleman
       # @return [String]
       def remove_templating_extensions(path)
         # Strip templating extensions as long as Tilt knows them
-        path = path.sub(File.extname(path), "") while ::Tilt[path]
+        path = path.sub(File.extname(path), '') while ::Tilt[path]
         path
       end
 
@@ -270,7 +270,7 @@ module Middleman
         input_ext = File.extname(file)
 
         if !input_ext.empty?
-          input_ext = input_ext.split(".").last.to_sym
+          input_ext = input_ext.split('.').last.to_sym
           if @app.template_extensions.has_key?(input_ext)
             path << ".#{@app.template_extensions[input_ext]}"
           end
diff --git a/middleman-core/lib/middleman-core/step_definitions.rb b/middleman-core/lib/middleman-core/step_definitions.rb
index 3db9a39d..b4024ca4 100644
--- a/middleman-core/lib/middleman-core/step_definitions.rb
+++ b/middleman-core/lib/middleman-core/step_definitions.rb
@@ -1,11 +1,11 @@
 MIDDLEMAN_ROOT_PATH = File.dirname(File.dirname(File.dirname(__FILE__)))
-MIDDLEMAN_BIN_PATH  = File.join(MIDDLEMAN_ROOT_PATH, "bin")
+MIDDLEMAN_BIN_PATH  = File.join(MIDDLEMAN_ROOT_PATH, 'bin')
 ENV['PATH'] = "#{MIDDLEMAN_BIN_PATH}#{File::PATH_SEPARATOR}#{ENV['PATH']}"
 
-require "aruba/cucumber"
-require "middleman-core/step_definitions/middleman_steps"
-require "middleman-core/step_definitions/builder_steps"
-require "middleman-core/step_definitions/server_steps"
+require 'aruba/cucumber'
+require 'middleman-core/step_definitions/middleman_steps'
+require 'middleman-core/step_definitions/builder_steps'
+require 'middleman-core/step_definitions/server_steps'
 
 Before do
   @aruba_timeout_seconds = 30
diff --git a/middleman-core/lib/middleman-core/step_definitions/builder_steps.rb b/middleman-core/lib/middleman-core/step_definitions/builder_steps.rb
index d9fcef13..eda6467b 100644
--- a/middleman-core/lib/middleman-core/step_definitions/builder_steps.rb
+++ b/middleman-core/lib/middleman-core/step_definitions/builder_steps.rb
@@ -5,20 +5,20 @@ Before do
 end
 
 Given /^app "([^\"]*)" is using config "([^\"]*)"$/ do |path, config_name|
-  target = File.join(PROJECT_ROOT_PATH, "fixtures", path)
+  target = File.join(PROJECT_ROOT_PATH, 'fixtures', path)
   config_path = File.join(current_dir, "config-#{config_name}.rb")
-  config_dest = File.join(current_dir, "config.rb")
+  config_dest = File.join(current_dir, 'config.rb')
   FileUtils.cp(config_path, config_dest)
 end
 
 Given /^an empty app$/ do
   step %Q{a directory named "empty_app"}
   step %Q{I cd to "empty_app"}
-  ENV["MM_ROOT"] = nil
+  ENV['MM_ROOT'] = nil
 end
 
 Given /^a fixture app "([^\"]*)"$/ do |path|
-  ENV["MM_ROOT"] = nil
+  ENV['MM_ROOT'] = nil
 
   # This step can be reentered from several places but we don't want
   # to keep re-copying and re-cd-ing into ever-deeper directories
@@ -26,7 +26,7 @@ Given /^a fixture app "([^\"]*)"$/ do |path|
 
   step %Q{a directory named "#{path}"}
 
-  target_path = File.join(PROJECT_ROOT_PATH, "fixtures", path)
+  target_path = File.join(PROJECT_ROOT_PATH, 'fixtures', path)
   FileUtils.cp_r(target_path, current_dir)
 
   step %Q{I cd to "#{path}"}
diff --git a/middleman-core/lib/middleman-core/step_definitions/server_steps.rb b/middleman-core/lib/middleman-core/step_definitions/server_steps.rb
index 851536e5..0dda0772 100644
--- a/middleman-core/lib/middleman-core/step_definitions/server_steps.rb
+++ b/middleman-core/lib/middleman-core/step_definitions/server_steps.rb
@@ -1,6 +1,6 @@
 # encoding: UTF-8
 
-require "rack/test"
+require 'rack/test'
 
 Given /^a clean server$/ do
   @initialize_commands = []
@@ -9,7 +9,7 @@ end
 Given /^"([^\"]*)" feature is "([^\"]*)"$/ do |feature, state|
   @initialize_commands ||= []
 
-  if state == "enabled"
+  if state == 'enabled'
     @initialize_commands << lambda { activate(feature.to_sym) }
   end
 end
@@ -34,13 +34,13 @@ end
 Given /^the Server is running$/ do
   root_dir = File.expand_path(current_dir)
 
-  if File.exists?(File.join(root_dir, "source"))
-    ENV["MM_SOURCE"] = "source"
+  if File.exists?(File.join(root_dir, 'source'))
+    ENV['MM_SOURCE'] = 'source'
   else
-    ENV["MM_SOURCE"] = ""
+    ENV['MM_SOURCE'] = ''
   end
 
-  ENV["MM_ROOT"] = root_dir
+  ENV['MM_ROOT'] = root_dir
 
   initialize_commands = @initialize_commands || []
   initialize_commands.unshift lambda {
diff --git a/middleman-core/lib/middleman-core/templates.rb b/middleman-core/lib/middleman-core/templates.rb
index dd9bb6c7..ba0e9d3e 100644
--- a/middleman-core/lib/middleman-core/templates.rb
+++ b/middleman-core/lib/middleman-core/templates.rb
@@ -1,6 +1,6 @@
 # Use thor for template generation
-require "thor"
-require "thor/group"
+require 'thor'
+require 'thor/group'
 
 # Templates namespace
 module Middleman::Templates
@@ -37,14 +37,14 @@ module Middleman::Templates
     # The gemfile template to use. Individual templates can define this class
     # method to override the template path.
     def self.gemfile_template
-      "shared/Gemfile.tt"
+      'shared/Gemfile.tt'
     end
 
     # Required path for the new project to be generated
     argument :location, :type => :string
 
     # Name of the template being used to generate the project.
-    class_option :template, :default => "default"
+    class_option :template, :default => 'default'
 
     # Output a config.ru file for Rack if --rack is passed
     class_option :rack, :type => :boolean, :default => false
@@ -53,7 +53,7 @@ module Middleman::Templates
     # @return [void]
     def generate_rack!
       return unless options[:rack]
-      template "shared/config.ru", File.join(location, "config.ru")
+      template 'shared/config.ru', File.join(location, 'config.ru')
     end
 
     class_option :'skip-bundle', :type => :boolean, :default => false
@@ -63,12 +63,12 @@ module Middleman::Templates
     # @return [void]
     def generate_bundler!
       return if options[:'skip-gemfile']
-      template self.class.gemfile_template, File.join(location, "Gemfile")
+      template self.class.gemfile_template, File.join(location, 'Gemfile')
 
       return if options[:'skip-bundle']
       inside(location) do
         ::Middleman::Cli::Bundle.new.invoke(:bundle)
-      end unless ENV["TEST"]
+      end unless ENV['TEST']
     end
 
     # Output a .gitignore file
@@ -78,25 +78,25 @@ module Middleman::Templates
     # @return [void]
     def generate_gitignore!
       return if options[:'skip-git']
-      copy_file "shared/gitignore", File.join(location, ".gitignore")
+      copy_file 'shared/gitignore', File.join(location, '.gitignore')
     end
   end
 end
 
 # Default template
-require "middleman-core/templates/default"
+require 'middleman-core/templates/default'
 
 # HTML5 template
-require "middleman-core/templates/html5"
+require 'middleman-core/templates/html5'
 
 # HTML5 Mobile template
-require "middleman-core/templates/mobile"
+require 'middleman-core/templates/mobile'
 
 # SMACSS templates
-require "middleman-more/templates/smacss"
+require 'middleman-more/templates/smacss'
 
 # Local templates
-require "middleman-core/templates/local"
+require 'middleman-core/templates/local'
 
 # Barebones template
-require "middleman-core/templates/empty"
+require 'middleman-core/templates/empty'
diff --git a/middleman-core/lib/middleman-core/templates/default.rb b/middleman-core/lib/middleman-core/templates/default.rb
index 3ade084a..7497f98f 100644
--- a/middleman-core/lib/middleman-core/templates/default.rb
+++ b/middleman-core/lib/middleman-core/templates/default.rb
@@ -1,14 +1,14 @@
 # Default Middleman template
 class Middleman::Templates::Default < Middleman::Templates::Base
 
-  class_option "css_dir",
-    :default => "stylesheets",
+  class_option 'css_dir',
+    :default => 'stylesheets',
     :desc    => 'The path to the css files'
-  class_option "js_dir",
-    :default => "javascripts",
+  class_option 'js_dir',
+    :default => 'javascripts',
     :desc    => 'The path to the javascript files'
-  class_option "images_dir",
-    :default => "images",
+  class_option 'images_dir',
+    :default => 'images',
     :desc    => 'The path to the image files'
 
   # Template files are relative to this file
@@ -20,17 +20,17 @@ class Middleman::Templates::Default < Middleman::Templates::Base
   # Actually output the files
   # @return [void]
   def build_scaffold!
-    template "shared/config.tt", File.join(location, "config.rb")
-    copy_file "default/source/index.html.erb", File.join(location, "source/index.html.erb")
-    copy_file "default/source/layouts/layout.erb", File.join(location, "source/layouts/layout.erb")
-    empty_directory File.join(location, "source", options[:css_dir])
-    copy_file "default/source/stylesheets/all.css", File.join(location, "source", options[:css_dir], "all.css")
-    copy_file "default/source/stylesheets/normalize.css", File.join(location, "source", options[:css_dir], "normalize.css")
-    empty_directory File.join(location, "source", options[:js_dir])
-    copy_file "default/source/javascripts/all.js", File.join(location, "source", options[:js_dir], "all.js")
-    empty_directory File.join(location, "source", options[:images_dir])
-    copy_file "default/source/images/background.png", File.join(location, "source", options[:images_dir], "background.png")
-    copy_file "default/source/images/middleman.png", File.join(location, "source", options[:images_dir], "middleman.png")
+    template 'shared/config.tt', File.join(location, 'config.rb')
+    copy_file 'default/source/index.html.erb', File.join(location, 'source/index.html.erb')
+    copy_file 'default/source/layouts/layout.erb', File.join(location, 'source/layouts/layout.erb')
+    empty_directory File.join(location, 'source', options[:css_dir])
+    copy_file 'default/source/stylesheets/all.css', File.join(location, 'source', options[:css_dir], 'all.css')
+    copy_file 'default/source/stylesheets/normalize.css', File.join(location, 'source', options[:css_dir], 'normalize.css')
+    empty_directory File.join(location, 'source', options[:js_dir])
+    copy_file 'default/source/javascripts/all.js', File.join(location, 'source', options[:js_dir], 'all.js')
+    empty_directory File.join(location, 'source', options[:images_dir])
+    copy_file 'default/source/images/background.png', File.join(location, 'source', options[:images_dir], 'background.png')
+    copy_file 'default/source/images/middleman.png', File.join(location, 'source', options[:images_dir], 'middleman.png')
   end
 end
 
diff --git a/middleman-core/lib/middleman-core/templates/empty.rb b/middleman-core/lib/middleman-core/templates/empty.rb
index c06ab262..e726f1c2 100644
--- a/middleman-core/lib/middleman-core/templates/empty.rb
+++ b/middleman-core/lib/middleman-core/templates/empty.rb
@@ -8,14 +8,14 @@ class Middleman::Templates::Empty < Middleman::Templates::Base
   end
 
   def self.gemfile_template
-    "empty/Gemfile.tt"
+    'empty/Gemfile.tt'
   end
 
   # Actually output the files
   # @return [void]
   def build_scaffold!
-    create_file File.join(location, "config.rb"), "\n"
-    empty_directory File.join(location, "source")
+    create_file File.join(location, 'config.rb'), "\n"
+    empty_directory File.join(location, 'source')
   end
 end
 
diff --git a/middleman-core/lib/middleman-core/templates/extension/Rakefile b/middleman-core/lib/middleman-core/templates/extension/Rakefile
index a211efa7..0f786f84 100644
--- a/middleman-core/lib/middleman-core/templates/extension/Rakefile
+++ b/middleman-core/lib/middleman-core/templates/extension/Rakefile
@@ -9,6 +9,6 @@ end
 
 require 'rake/clean'
 
-task :test => ["cucumber"]
+task :test => ['cucumber']
 
 task :default => :test
\ No newline at end of file
diff --git a/middleman-core/lib/middleman-core/templates/extension/features/support/env.rb b/middleman-core/lib/middleman-core/templates/extension/features/support/env.rb
index cc63487b..de2a3063 100644
--- a/middleman-core/lib/middleman-core/templates/extension/features/support/env.rb
+++ b/middleman-core/lib/middleman-core/templates/extension/features/support/env.rb
@@ -1,4 +1,4 @@
 PROJECT_ROOT_PATH = File.dirname(File.dirname(File.dirname(__FILE__)))
-require "middleman-core"
-require "middleman-core/step_definitions"
+require 'middleman-core'
+require 'middleman-core/step_definitions'
 require File.join(PROJECT_ROOT_PATH, 'lib', '<%= name %>')
diff --git a/middleman-core/lib/middleman-core/templates/extension/lib/lib.rb b/middleman-core/lib/middleman-core/templates/extension/lib/lib.rb
index 6140bd82..386d3d2a 100644
--- a/middleman-core/lib/middleman-core/templates/extension/lib/lib.rb
+++ b/middleman-core/lib/middleman-core/templates/extension/lib/lib.rb
@@ -1,9 +1,9 @@
 # Require core library
-require "middleman-core"
+require 'middleman-core'
 
 # Extension namespace
 class MyExtension < ::Middleman::Extension
-  option :my_option, "default", "An example option"
+  option :my_option, 'default', 'An example option'
 
   def initialize(app, options_hash={}, &block)
     # Call super to build options from the options_hash
diff --git a/middleman-core/lib/middleman-core/templates/extension/lib/middleman_extension.rb b/middleman-core/lib/middleman-core/templates/extension/lib/middleman_extension.rb
index 81095c67..6fba3c06 100644
--- a/middleman-core/lib/middleman-core/templates/extension/lib/middleman_extension.rb
+++ b/middleman-core/lib/middleman-core/templates/extension/lib/middleman_extension.rb
@@ -1 +1 @@
-require "<%= name %>"
+require '<%= name %>'
diff --git a/middleman-core/lib/middleman-core/templates/html5.rb b/middleman-core/lib/middleman-core/templates/html5.rb
index f51331c8..6e8391cb 100644
--- a/middleman-core/lib/middleman-core/templates/html5.rb
+++ b/middleman-core/lib/middleman-core/templates/html5.rb
@@ -1,14 +1,14 @@
 # HTML5 Boilerplate template
 class Middleman::Templates::Html5 < Middleman::Templates::Base
 
-  class_option "css_dir",
-    :default => "css",
+  class_option 'css_dir',
+    :default => 'css',
     :desc    => 'The path to the css files'
-  class_option "js_dir",
-    :default => "js",
+  class_option 'js_dir',
+    :default => 'js',
     :desc    => 'The path to the javascript files'
-  class_option "images_dir",
-    :default => "img",
+  class_option 'images_dir',
+    :default => 'img',
     :desc    => 'The path to the image files'
 
   # Templates are relative to this file
@@ -20,9 +20,9 @@ class Middleman::Templates::Html5 < Middleman::Templates::Base
   # Output the files
   # @return [void]
   def build_scaffold!
-    template "shared/config.tt", File.join(location, "config.rb")
-    directory "html5/source", File.join(location, "source")
-    empty_directory File.join(location, "source")
+    template 'shared/config.tt', File.join(location, 'config.rb')
+    directory 'html5/source', File.join(location, 'source')
+    empty_directory File.join(location, 'source')
   end
 end
 
diff --git a/middleman-core/lib/middleman-core/templates/local.rb b/middleman-core/lib/middleman-core/templates/local.rb
index 6f5a3777..c5ba9c79 100644
--- a/middleman-core/lib/middleman-core/templates/local.rb
+++ b/middleman-core/lib/middleman-core/templates/local.rb
@@ -4,7 +4,7 @@ class Middleman::Templates::Local < Middleman::Templates::Base
   # Look for templates in ~/.middleman
   # @return [String]
   def self.source_root
-    File.join(File.expand_path("~/"), ".middleman")
+    File.join(File.expand_path('~/'), '.middleman')
   end
 
   # Just copy from the template path
@@ -15,10 +15,10 @@ class Middleman::Templates::Local < Middleman::Templates::Base
 end
 
 # Iterate over the directories in the templates path and register each one.
-Dir[File.join(Middleman::Templates::Local.source_root, "*")].each do |dir|
+Dir[File.join(Middleman::Templates::Local.source_root, '*')].each do |dir|
   next unless File.directory?(dir)
 
-  template_file = File.join(dir, "template.rb")
+  template_file = File.join(dir, 'template.rb')
 
   if File.exists?(template_file)
     require template_file
diff --git a/middleman-core/lib/middleman-core/templates/mobile.rb b/middleman-core/lib/middleman-core/templates/mobile.rb
index c25ed103..8e7e3530 100644
--- a/middleman-core/lib/middleman-core/templates/mobile.rb
+++ b/middleman-core/lib/middleman-core/templates/mobile.rb
@@ -2,9 +2,9 @@
 class Middleman::Templates::Mobile < Middleman::Templates::Base
 
   # Slightly different paths
-  class_option :css_dir, :default => "css"
-  class_option :js_dir, :default => "js"
-  class_option :images_dir, :default => "img"
+  class_option :css_dir, :default => 'css'
+  class_option :js_dir, :default => 'js'
+  class_option :images_dir, :default => 'img'
 
   # Template files are relative to this file
   # @return [String]
@@ -15,9 +15,9 @@ class Middleman::Templates::Mobile < Middleman::Templates::Base
   # Output the files
   # @return [void]
   def build_scaffold!
-    template "shared/config.tt", File.join(location, "config.rb")
-    directory "mobile/source", File.join(location, "source")
-    empty_directory File.join(location, "source")
+    template 'shared/config.tt', File.join(location, 'config.rb')
+    directory 'mobile/source', File.join(location, 'source')
+    empty_directory File.join(location, 'source')
   end
 end
 
diff --git a/middleman-core/lib/middleman-core/util.rb b/middleman-core/lib/middleman-core/util.rb
index 54d6b63f..9ada4fc8 100644
--- a/middleman-core/lib/middleman-core/util.rb
+++ b/middleman-core/lib/middleman-core/util.rb
@@ -1,17 +1,17 @@
 # Our custom logger
-require "middleman-core/logger"
+require 'middleman-core/logger'
 
 # For instrumenting
-require "active_support/notifications"
+require 'active_support/notifications'
 
 # Using Thor's indifferent hash access
-require "thor"
+require 'thor'
 
 # Core Pathname library used for traversal
-require "pathname"
+require 'pathname'
 
-require "tilt"
-require "rack/mime"
+require 'tilt'
+require 'rack/mime'
 
 module Middleman
 
@@ -59,7 +59,7 @@ module Middleman
 
     # Facade for ActiveSupport/Notification
     def self.instrument(name, payload={}, &block)
-      name << ".middleman" unless name =~ /\.middleman$/
+      name << '.middleman' unless name =~ /\.middleman$/
       ::ActiveSupport::Notifications.instrument(name, payload, &block)
     end
 
@@ -90,13 +90,13 @@ module Middleman
     # @return [String]
     def self.normalize_path(path)
       # The tr call works around a bug in Ruby's Unicode handling
-      path.sub(%r{^/}, "").tr('','')
+      path.sub(%r{^/}, '').tr('','')
     end
 
     # This is a separate method from normalize_path in case we
     # change how we normalize paths
     def self.strip_leading_slash(path)
-      path.sub(%r{^/}, "")
+      path.sub(%r{^/}, '')
     end
 
     # Extract the text of a Rack response as a string.
diff --git a/middleman-core/lib/middleman-more/core_extensions/compass.rb b/middleman-core/lib/middleman-more/core_extensions/compass.rb
index a1689647..366d6196 100644
--- a/middleman-core/lib/middleman-more/core_extensions/compass.rb
+++ b/middleman-core/lib/middleman-more/core_extensions/compass.rb
@@ -1,5 +1,5 @@
-require "middleman-core/renderers/sass"
-require "compass"
+require 'middleman-core/renderers/sass'
+require 'compass'
 
 class Middleman::CoreExtensions::Compass < ::Middleman::Extension
 
@@ -44,7 +44,7 @@ class Middleman::CoreExtensions::Compass < ::Middleman::Extension
       compass_config.output_style = :nested
 
       # No line-comments in test mode (changing paths mess with sha1)
-      compass_config.line_comments = false if ENV["TEST"]
+      compass_config.line_comments = false if ENV['TEST']
     end
 
     # Call hook
diff --git a/middleman-core/lib/middleman-more/core_extensions/default_helpers.rb b/middleman-core/lib/middleman-more/core_extensions/default_helpers.rb
index 2e2cb296..25eae484 100644
--- a/middleman-core/lib/middleman-more/core_extensions/default_helpers.rb
+++ b/middleman-core/lib/middleman-more/core_extensions/default_helpers.rb
@@ -6,9 +6,9 @@ end
 class Padrino::Helpers::OutputHelpers::ErbHandler
   # Force Erb capture not to use safebuffer
   def capture_from_template(*args, &block)
-    self.output_buffer, _buf_was = "", self.output_buffer
+    self.output_buffer, _buf_was = '', self.output_buffer
     captured_block = block.call(*args)
-    ret = eval("@_out_buf", block.binding)
+    ret = eval('@_out_buf', block.binding)
     self.output_buffer = _buf_was
     [ ret, captured_block ]
   end
@@ -60,7 +60,7 @@ class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
 
     def capture_html(*args, &block)
       handler = auto_find_proper_handler(&block)
-      captured_block, captured_html = nil, ""
+      captured_block, captured_html = nil, ''
       if handler && handler.is_type? && handler.block_is_type?(block)
         captured_html, captured_block = handler.capture_from_template(*args, &block)
       end
@@ -134,7 +134,7 @@ class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
       parts = path.split('.').first.split('/')
       parts.each_with_index { |_, i| classes << parts.first(i+1).join('_') }
 
-      prefix = options[:numeric_prefix] || "x"
+      prefix = options[:numeric_prefix] || 'x'
       classes.map do |c|
         # Replace weird class name characters
         c = c.gsub(/[^a-zA-Z0-9\-_]/, '-')
@@ -162,7 +162,7 @@ class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
       source = source.to_s.tr(' ', '')
       ignore_extension = (kind == :images || kind == :fonts) # don't append extension
       source << ".#{kind}" unless ignore_extension || source.end_with?(".#{kind}")
-      asset_folder = "" if source.start_with?('/') # absolute path
+      asset_folder = '' if source.start_with?('/') # absolute path
 
       asset_url(source, asset_folder)
     end
@@ -172,7 +172,7 @@ class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
     # @param [String] path The path (such as "photo.jpg")
     # @param [String] prefix The type prefix (such as "images")
     # @return [String] The fully qualified asset url
-    def asset_url(path, prefix="")
+    def asset_url(path, prefix='')
       # Don't touch assets which already have a full path
       if path.include?('//') or path.start_with?('data:')
         path
@@ -215,12 +215,12 @@ class Middleman::CoreExtensions::DefaultHelpers < ::Middleman::Extension
       options_index = block_given? ? 1 : 2
 
       if block_given? && args.size > 2
-        raise ArgumentError.new("Too many arguments to link_to(url, options={}, &block)")
+        raise ArgumentError.new('Too many arguments to link_to(url, options={}, &block)')
       end
 
       if url = args[url_arg_index]
         options = args[options_index] || {}
-        raise ArgumentError.new("Options must be a hash") unless options.is_a?(Hash)
+        raise ArgumentError.new('Options must be a hash') unless options.is_a?(Hash)
 
         # Transform the url through our magic url_for method
         args[url_arg_index] = url_for(url, options)
diff --git a/middleman-core/lib/middleman-more/core_extensions/i18n.rb b/middleman-core/lib/middleman-more/core_extensions/i18n.rb
index 0304373b..6f0b0e1c 100644
--- a/middleman-core/lib/middleman-more/core_extensions/i18n.rb
+++ b/middleman-core/lib/middleman-more/core_extensions/i18n.rb
@@ -1,11 +1,11 @@
 class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
-  option :no_fallbacks, false, "Disable I18n fallbacks"
-  option :langs, nil, "List of langs, will autodiscover by default"
-  option :lang_map, {}, "Language shortname map"
-  option :path, "/:locale/", "URL prefix path"
-  option :templates_dir, "localizable", "Location of templates to be localized"
-  option :mount_at_root, nil, "Mount a specific language at the root of the site"
-  option :data, "locales", "The directory holding your locale configurations"
+  option :no_fallbacks, false, 'Disable I18n fallbacks'
+  option :langs, nil, 'List of langs, will autodiscover by default'
+  option :lang_map, {}, 'Language shortname map'
+  option :path, '/:locale/', 'URL prefix path'
+  option :templates_dir, 'localizable', 'Location of templates to be localized'
+  option :mount_at_root, nil, 'Mount a specific language at the root of the site'
+  option :data, 'locales', 'The directory holding your locale configurations'
 
   def initialize(app, options_hash={}, &block)
     super
@@ -17,11 +17,11 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
 
     # See https://github.com/svenfuchs/i18n/wiki/Fallbacks
     unless options[:no_fallbacks]
-      require "i18n/backend/fallbacks"
+      require 'i18n/backend/fallbacks'
       ::I18n::Backend::Simple.send(:include, ::I18n::Backend::Fallbacks)
     end
 
-    app.config.define_setting :locales_dir, "locales", 'The directory holding your locale configurations'
+    app.config.define_setting :locales_dir, 'locales', 'The directory holding your locale configurations'
 
     app.send :include, LocaleHelpers
   end
@@ -29,7 +29,7 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
   def after_configuration
     app.files.reload_path(app.config[:locals_dir] || options[:data])
 
-    @locales_glob = File.join(app.config[:locals_dir] || options[:data], "**", "*.{rb,yml,yaml}")
+    @locales_glob = File.join(app.config[:locals_dir] || options[:data], '**', '*.{rb,yml,yaml}')
     @locales_regex = convert_glob_to_regex(@locales_glob)
 
     @maps = {}
@@ -42,7 +42,7 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
     end
 
     # Don't output localizable files
-    app.ignore File.join(options[:templates_dir], "**")
+    app.ignore File.join(options[:templates_dir], '**')
 
     app.sitemap.provides_metadata_for_path(&method(:metadata_for_path))
     app.files.changed(&method(:on_file_changed))
@@ -75,11 +75,11 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
         lang, path, page_id = result
         new_resources << build_resource(path, resource.path, page_id, lang)
       # If it's a "localizable template"
-      elsif File.fnmatch?(File.join(options[:templates_dir], "**"), resource.path)
+      elsif File.fnmatch?(File.join(options[:templates_dir], '**'), resource.path)
         page_id = File.basename(resource.path, File.extname(resource.path))
         langs.each do |lang|
           # Remove folder name
-          path = resource.path.sub(options[:templates_dir], "")
+          path = resource.path.sub(options[:templates_dir], '')
           new_resources << build_resource(path, resource.path, page_id, lang)
         end
       end
@@ -100,7 +100,7 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
 
   def convert_glob_to_regex(glob)
     # File.fnmatch doesn't support brackets: {rb,yml,yaml}
-    regex = @locales_glob.sub(/\./, '\.').sub(File.join("**", "*"), ".*").sub(/\//, '\/').sub("{rb,yml,yaml}", "(rb|ya?ml)")
+    regex = @locales_glob.sub(/\./, '\.').sub(File.join('**', '*'), '.*').sub(/\//, '\/').sub('{rb,yml,yaml}', '(rb|ya?ml)')
     %r{^#{regex}}
   end
 
@@ -148,7 +148,7 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
       known_langs = app.files.known_paths.select do |p|
         p.to_s.match(@locales_regex) && (p.to_s.split(File::SEPARATOR).length === 2)
       end.map { |p|
-        File.basename(p.to_s).sub(/\.ya?ml$/, "").sub(/\.rb$/, "")
+        File.basename(p.to_s).sub(/\.ya?ml$/, '').sub(/\.rb$/, '')
       }.sort.map(&:to_sym)
     end
   end
@@ -179,10 +179,10 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
     localized_page_id = ::I18n.t("paths.#{page_id}", :default => page_id, :fallback => [])
 
     prefix = if (options[:mount_at_root] == lang) || (options[:mount_at_root] == nil && langs[0] == lang)
-      "/"
+      '/'
     else
       replacement = options[:lang_map].fetch(lang, lang)
-      options[:path].sub(":locale", replacement.to_s)
+      options[:path].sub(':locale', replacement.to_s)
     end
 
     # path needs to be changed if file has a localizable extension. (options[mount_at_root] == lang)
@@ -190,7 +190,7 @@ class Middleman::CoreExtensions::Internationalization < ::Middleman::Extension
       File.join(prefix, path.sub(page_id, localized_page_id))
     )
 
-    path.gsub!(options[:templates_dir]+"/", "")
+    path.gsub!(options[:templates_dir]+'/', '')
 
     @_localization_data[path] = [lang, path, localized_page_id]
 
diff --git a/middleman-core/lib/middleman-more/extensions/asset_hash.rb b/middleman-core/lib/middleman-more/extensions/asset_hash.rb
index 447cfaf1..6b689749 100644
--- a/middleman-core/lib/middleman-more/extensions/asset_hash.rb
+++ b/middleman-core/lib/middleman-more/extensions/asset_hash.rb
@@ -1,6 +1,6 @@
 class Middleman::Extensions::AssetHash < ::Middleman::Extension
-  option :exts, %w(.jpg .jpeg .png .gif .js .css .otf .woff .eot .ttf .svg), "List of extensions that get asset hashes appended to them."
-  option :ignore, [], "Regexes of filenames to skip adding asset hashes to"
+  option :exts, %w(.jpg .jpeg .png .gif .js .css .otf .woff .eot .ttf .svg), 'List of extensions that get asset hashes appended to them.'
+  option :ignore, [], 'Regexes of filenames to skip adding asset hashes to'
 
   def initialize(app, options_hash={}, &block)
     super
@@ -41,7 +41,7 @@ class Middleman::Extensions::AssetHash < ::Middleman::Extension
     return if ignored_resource?(resource)
 
     # Render through the Rack interface so middleware and mounted apps get a shot
-    response = @rack_client.get(URI.escape(resource.destination_path), {}, { "bypass_asset_hash" => "true" })
+    response = @rack_client.get(URI.escape(resource.destination_path), {}, { 'bypass_asset_hash' => 'true' })
     raise "#{resource.path} should be in the sitemap!" unless response.status == 200
 
     digest = Digest::SHA1.hexdigest(response.body)[0..7]
@@ -68,9 +68,9 @@ class Middleman::Extensions::AssetHash < ::Middleman::Extension
       status, headers, response = @rack_app.call(env)
 
       # We don't want to use this middleware when rendering files to figure out their hash!
-      return [status, headers, response] if env["bypass_asset_hash"] == 'true'
+      return [status, headers, response] if env['bypass_asset_hash'] == 'true'
 
-      path = @middleman_app.full_path(env["PATH_INFO"])
+      path = @middleman_app.full_path(env['PATH_INFO'])
 
       if path =~ /(^\/$)|(\.(htm|html|php|css|js)$)/
         body = ::Middleman::Util.extract_response_text(response)
diff --git a/middleman-core/lib/middleman-more/extensions/asset_host.rb b/middleman-core/lib/middleman-more/extensions/asset_host.rb
index 7f27ecc0..68b0eeb8 100644
--- a/middleman-core/lib/middleman-more/extensions/asset_host.rb
+++ b/middleman-core/lib/middleman-more/extensions/asset_host.rb
@@ -32,7 +32,7 @@ class Middleman::Extensions::AssetHost < ::Middleman::Extension
     # @param [String] path
     # @param [String] prefix
     # @return [String]
-    def asset_url(path, prefix="")
+    def asset_url(path, prefix='')
       controller = extensions[:asset_host]
 
       original_output = super
diff --git a/middleman-core/lib/middleman-more/extensions/automatic_alt_tags.rb b/middleman-core/lib/middleman-more/extensions/automatic_alt_tags.rb
index 50df3b54..af8e887d 100644
--- a/middleman-core/lib/middleman-more/extensions/automatic_alt_tags.rb
+++ b/middleman-core/lib/middleman-more/extensions/automatic_alt_tags.rb
@@ -10,8 +10,8 @@ class Middleman::Extensions::AutomaticAltTags < ::Middleman::Extension
     # containing image name.
     
     def image_tag(path)
-      if !path.include?("://")
-        params[:alt] ||= ""
+      if !path.include?('://')
+        params[:alt] ||= ''
 
         real_path = path
         real_path = File.join(images_dir, real_path) unless real_path.start_with?('/')
@@ -19,7 +19,7 @@ class Middleman::Extensions::AutomaticAltTags < ::Middleman::Extension
 
         if File.exists?(full_path)
           begin
-            alt_text = File.basename(full_path, ".*")
+            alt_text = File.basename(full_path, '.*')
             alt_text.capitalize!
             params[:alt] = alt_text
           end
diff --git a/middleman-core/lib/middleman-more/extensions/automatic_image_sizes.rb b/middleman-core/lib/middleman-more/extensions/automatic_image_sizes.rb
index 22d75061..1b600e4e 100644
--- a/middleman-core/lib/middleman-more/extensions/automatic_image_sizes.rb
+++ b/middleman-core/lib/middleman-more/extensions/automatic_image_sizes.rb
@@ -5,7 +5,7 @@ class Middleman::Extensions::AutomaticImageSizes < ::Middleman::Extension
     super
 
     # Include 3rd-party fastimage library
-    require "vendored-middleman-deps/fastimage"
+    require 'vendored-middleman-deps/fastimage'
   end
 
   helpers do
@@ -16,8 +16,8 @@ class Middleman::Extensions::AutomaticImageSizes < ::Middleman::Extension
     # @param [Hash] params
     # @return [String]
     def image_tag(path, params={})
-      if !params.has_key?(:width) && !params.has_key?(:height) && !path.include?("://")
-        params[:alt] ||= ""
+      if !params.has_key?(:width) && !params.has_key?(:height) && !path.include?('://')
+        params[:alt] ||= ''
 
         real_path = path
         real_path = File.join(images_dir, real_path) unless real_path.start_with?('/')
diff --git a/middleman-core/lib/middleman-more/extensions/cache_buster.rb b/middleman-core/lib/middleman-more/extensions/cache_buster.rb
index f527b33c..467ef747 100644
--- a/middleman-core/lib/middleman-more/extensions/cache_buster.rb
+++ b/middleman-core/lib/middleman-more/extensions/cache_buster.rb
@@ -10,7 +10,7 @@ class Middleman::Extensions::CacheBuster < ::Middleman::Extension
         real_path = real_path.path if real_path.is_a? File
         real_path = real_path.gsub(File.join(root, build_dir), source)
         if File.readable?(real_path)
-          File.mtime(real_path).strftime("%s")
+          File.mtime(real_path).strftime('%s')
         else
           logger.warn "WARNING: '#{File.basename(path)}' was not found (or cannot be read) in #{File.dirname(real_path)}"
         end
@@ -22,10 +22,10 @@ class Middleman::Extensions::CacheBuster < ::Middleman::Extension
     # asset_url override if we're using cache busting
     # @param [String] path
     # @param [String] prefix
-    def asset_url(path, prefix="")
+    def asset_url(path, prefix='')
       http_path = super
 
-      if http_path.include?("://") || !%w(.css .png .jpg .jpeg .svg .svgz .js .gif).include?(File.extname(http_path))
+      if http_path.include?('://') || !%w(.css .png .jpg .jpeg .svg .svgz .js .gif).include?(File.extname(http_path))
         http_path
       else
         if respond_to?(:http_images_path) && prefix == http_images_path
@@ -37,15 +37,15 @@ class Middleman::Extensions::CacheBuster < ::Middleman::Extension
         if build?
           real_path_dynamic = File.join(build_dir, prefix, path)
           real_path_dynamic = File.expand_path(real_path_dynamic, root)
-          http_path << "?" + File.mtime(real_path_dynamic).strftime("%s") if File.readable?(real_path_dynamic)
+          http_path << '?' + File.mtime(real_path_dynamic).strftime('%s') if File.readable?(real_path_dynamic)
         elsif resource = sitemap.find_resource_by_path(real_path_static)
           if !resource.template?
-            http_path << "?" + File.mtime(resource.source_file).strftime("%s")
+            http_path << '?' + File.mtime(resource.source_file).strftime('%s')
           else
             # It's a template, possible with partials. We can't really
             # know when it's updated, so generate fresh cache buster every
             # time during developement
-            http_path << "?" + Time.now.strftime("%s")
+            http_path << '?' + Time.now.strftime('%s')
           end
         end
 
diff --git a/middleman-core/lib/middleman-more/extensions/lorem.rb b/middleman-core/lib/middleman-more/extensions/lorem.rb
index 74486b8c..d13abeeb 100644
--- a/middleman-core/lib/middleman-more/extensions/lorem.rb
+++ b/middleman-core/lib/middleman-more/extensions/lorem.rb
@@ -12,7 +12,7 @@ class Middleman::Extensions::Lorem < ::Middleman::Extension
     # @param [Hash] options
     # @return [String]
     def placekitten(size, options={})
-      options[:domain] = "http://placekitten.com"
+      options[:domain] = 'http://placekitten.com'
       lorem.image(size, options)
     end
   end
@@ -110,14 +110,14 @@ class Middleman::Extensions::Lorem < ::Middleman::Extension
       # Get a placeholder first name
       # @return [String]
       def first_name
-        names = "Judith Angelo Margarita Kerry Elaine Lorenzo Justice Doris Raul Liliana Kerry Elise Ciaran Johnny Moses Davion Penny Mohammed Harvey Sheryl Hudson Brendan Brooklynn Denis Sadie Trisha Jacquelyn Virgil Cindy Alexa Marianne Giselle Casey Alondra Angela Katherine Skyler Kyleigh Carly Abel Adrianna Luis Dominick Eoin Noel Ciara Roberto Skylar Brock Earl Dwayne Jackie Hamish Sienna Nolan Daren Jean Shirley Connor Geraldine Niall Kristi Monty Yvonne Tammie Zachariah Fatima Ruby Nadia Anahi Calum Peggy Alfredo Marybeth Bonnie Gordon Cara John Staci Samuel Carmen Rylee Yehudi Colm Beth Dulce Darius inley Javon Jason Perla Wayne Laila Kaleigh Maggie Don Quinn Collin Aniya Zoe Isabel Clint Leland Esmeralda Emma Madeline Byron Courtney Vanessa Terry Antoinette George Constance Preston Rolando Caleb Kenneth Lynette Carley Francesca Johnnie Jordyn Arturo Camila Skye Guy Ana Kaylin Nia Colton Bart Brendon Alvin Daryl Dirk Mya Pete Joann Uriel Alonzo Agnes Chris Alyson Paola Dora Elias Allen Jackie Eric Bonita Kelvin Emiliano Ashton Kyra Kailey Sonja Alberto Ty Summer Brayden Lori Kelly Tomas Joey Billie Katie Stephanie Danielle Alexis Jamal Kieran Lucinda Eliza Allyson Melinda Alma Piper Deana Harriet Bryce Eli Jadyn Rogelio Orlaith Janet Randal Toby Carla Lorie Caitlyn Annika Isabelle inn Ewan Maisie Michelle Grady Ida Reid Emely Tricia Beau Reese Vance Dalton Lexi Rafael Makenzie Mitzi Clinton Xena Angelina Kendrick Leslie Teddy Jerald Noelle Neil Marsha Gayle Omar Abigail Alexandra Phil Andre Billy Brenden Bianca Jared Gretchen Patrick Antonio Josephine Kyla Manuel Freya Kellie Tonia Jamie Sydney Andres Ruben Harrison Hector Clyde Wendell Kaden Ian Tracy Cathleen Shawn".split(" ")
+        names = 'Judith Angelo Margarita Kerry Elaine Lorenzo Justice Doris Raul Liliana Kerry Elise Ciaran Johnny Moses Davion Penny Mohammed Harvey Sheryl Hudson Brendan Brooklynn Denis Sadie Trisha Jacquelyn Virgil Cindy Alexa Marianne Giselle Casey Alondra Angela Katherine Skyler Kyleigh Carly Abel Adrianna Luis Dominick Eoin Noel Ciara Roberto Skylar Brock Earl Dwayne Jackie Hamish Sienna Nolan Daren Jean Shirley Connor Geraldine Niall Kristi Monty Yvonne Tammie Zachariah Fatima Ruby Nadia Anahi Calum Peggy Alfredo Marybeth Bonnie Gordon Cara John Staci Samuel Carmen Rylee Yehudi Colm Beth Dulce Darius inley Javon Jason Perla Wayne Laila Kaleigh Maggie Don Quinn Collin Aniya Zoe Isabel Clint Leland Esmeralda Emma Madeline Byron Courtney Vanessa Terry Antoinette George Constance Preston Rolando Caleb Kenneth Lynette Carley Francesca Johnnie Jordyn Arturo Camila Skye Guy Ana Kaylin Nia Colton Bart Brendon Alvin Daryl Dirk Mya Pete Joann Uriel Alonzo Agnes Chris Alyson Paola Dora Elias Allen Jackie Eric Bonita Kelvin Emiliano Ashton Kyra Kailey Sonja Alberto Ty Summer Brayden Lori Kelly Tomas Joey Billie Katie Stephanie Danielle Alexis Jamal Kieran Lucinda Eliza Allyson Melinda Alma Piper Deana Harriet Bryce Eli Jadyn Rogelio Orlaith Janet Randal Toby Carla Lorie Caitlyn Annika Isabelle inn Ewan Maisie Michelle Grady Ida Reid Emely Tricia Beau Reese Vance Dalton Lexi Rafael Makenzie Mitzi Clinton Xena Angelina Kendrick Leslie Teddy Jerald Noelle Neil Marsha Gayle Omar Abigail Alexandra Phil Andre Billy Brenden Bianca Jared Gretchen Patrick Antonio Josephine Kyla Manuel Freya Kellie Tonia Jamie Sydney Andres Ruben Harrison Hector Clyde Wendell Kaden Ian Tracy Cathleen Shawn'.split(' ')
         names[rand(names.size)]
       end
 
       # Get a placeholder last name
       # @return [String]
       def last_name
-        names = "Chung Chen Melton Hill Puckett Song Hamilton Bender Wagner McLaughlin McNamara Raynor Moon Woodard Desai Wallace Lawrence Griffin Dougherty Powers May Steele Teague Vick Gallagher Solomon Walsh Monroe Connolly Hawkins Middleton Goldstein Watts Johnston Weeks Wilkerson Barton Walton Hall Ross Chung Bender Woods Mangum Joseph Rosenthal Bowden Barton Underwood Jones Baker Merritt Cross Cooper Holmes Sharpe Morgan Hoyle Allen Rich Rich Grant Proctor Diaz Graham Watkins Hinton Marsh Hewitt Branch Walton O'Brien Case Watts Christensen Parks Hardin Lucas Eason Davidson Whitehead Rose Sparks Moore Pearson Rodgers Graves Scarborough Sutton Sinclair Bowman Olsen Love McLean Christian Lamb James Chandler Stout Cowan Golden Bowling Beasley Clapp Abrams Tilley Morse Boykin Sumner Cassidy Davidson Heath Blanchard McAllister McKenzie Byrne Schroeder Griffin Gross Perkins Robertson Palmer Brady Rowe Zhang Hodge Li Bowling Justice Glass Willis Hester Floyd Graves Fischer Norman Chan Hunt Byrd Lane Kaplan Heller May Jennings Hanna Locklear Holloway Jones Glover Vick O'Donnell Goldman McKenna Starr Stone McClure Watson Monroe Abbott Singer Hall Farrell Lucas Norman Atkins Monroe Robertson Sykes Reid Chandler Finch Hobbs Adkins Kinney Whitaker Alexander Conner Waters Becker Rollins Love Adkins Black Fox Hatcher Wu Lloyd Joyce Welch Matthews Chappell MacDonald Kane Butler Pickett Bowman Barton Kennedy Branch Thornton McNeill Weinstein Middleton Moss Lucas Rich Carlton Brady Schultz Nichols Harvey Stevenson Houston Dunn West O'Brien Barr Snyder Cain Heath Boswell Olsen Pittman Weiner Petersen Davis Coleman Terrell Norman Burch Weiner Parrott Henry Gray Chang McLean Eason Weeks Siegel Puckett Heath Hoyle Garrett Neal Baker Goldman Shaffer Choi Carver".split(" ")
+        names = "Chung Chen Melton Hill Puckett Song Hamilton Bender Wagner McLaughlin McNamara Raynor Moon Woodard Desai Wallace Lawrence Griffin Dougherty Powers May Steele Teague Vick Gallagher Solomon Walsh Monroe Connolly Hawkins Middleton Goldstein Watts Johnston Weeks Wilkerson Barton Walton Hall Ross Chung Bender Woods Mangum Joseph Rosenthal Bowden Barton Underwood Jones Baker Merritt Cross Cooper Holmes Sharpe Morgan Hoyle Allen Rich Rich Grant Proctor Diaz Graham Watkins Hinton Marsh Hewitt Branch Walton O'Brien Case Watts Christensen Parks Hardin Lucas Eason Davidson Whitehead Rose Sparks Moore Pearson Rodgers Graves Scarborough Sutton Sinclair Bowman Olsen Love McLean Christian Lamb James Chandler Stout Cowan Golden Bowling Beasley Clapp Abrams Tilley Morse Boykin Sumner Cassidy Davidson Heath Blanchard McAllister McKenzie Byrne Schroeder Griffin Gross Perkins Robertson Palmer Brady Rowe Zhang Hodge Li Bowling Justice Glass Willis Hester Floyd Graves Fischer Norman Chan Hunt Byrd Lane Kaplan Heller May Jennings Hanna Locklear Holloway Jones Glover Vick O'Donnell Goldman McKenna Starr Stone McClure Watson Monroe Abbott Singer Hall Farrell Lucas Norman Atkins Monroe Robertson Sykes Reid Chandler Finch Hobbs Adkins Kinney Whitaker Alexander Conner Waters Becker Rollins Love Adkins Black Fox Hatcher Wu Lloyd Joyce Welch Matthews Chappell MacDonald Kane Butler Pickett Bowman Barton Kennedy Branch Thornton McNeill Weinstein Middleton Moss Lucas Rich Carlton Brady Schultz Nichols Harvey Stevenson Houston Dunn West O'Brien Barr Snyder Cain Heath Boswell Olsen Pittman Weiner Petersen Davis Coleman Terrell Norman Burch Weiner Parrott Henry Gray Chang McLean Eason Weeks Siegel Puckett Heath Hoyle Garrett Neal Baker Goldman Shaffer Choi Carver".split(' ')
         names[rand(names.size)]
       end
 
@@ -145,7 +145,7 @@ class Middleman::Extensions::Lorem < ::Middleman::Extension
       # @param [Hash] options
       # @return [String]
       def image(size, options={})
-        domain           = options[:domain] || "http://placehold.it"
+        domain           = options[:domain] || 'http://placehold.it'
         src              = "#{domain}/#{size}"
         hex              = %w[a b c d e f 0 1 2 3 4 5 6 7 8 9]
         background_color = options[:background_color]
@@ -157,7 +157,7 @@ class Middleman::Extensions::Lorem < ::Middleman::Extension
         end
 
         src << "/#{background_color.sub(/^#/, '')}" if background_color
-        src << "/ccc" if background_color.nil? && color
+        src << '/ccc' if background_color.nil? && color
         src << "/#{color.sub(/^#/, '')}" if color
         src << "&text=#{Rack::Utils::escape(options[:text])}" if options[:text]
 
diff --git a/middleman-core/lib/middleman-more/extensions/minify_css.rb b/middleman-core/lib/middleman-more/extensions/minify_css.rb
index 87e5fafe..1945f4c1 100644
--- a/middleman-core/lib/middleman-more/extensions/minify_css.rb
+++ b/middleman-core/lib/middleman-more/extensions/minify_css.rb
@@ -47,18 +47,18 @@ class Middleman::Extensions::MinifyCss < ::Middleman::Extension
     def call(env)
       status, headers, response = @app.call(env)
 
-      if inline_html_content?(env["PATH_INFO"])
+      if inline_html_content?(env['PATH_INFO'])
         minified = ::Middleman::Util.extract_response_text(response)
         minified.gsub!(INLINE_CSS_REGEX) do |match|
           $1 << @compressor.compress($2) << $3
         end
 
-        headers["Content-Length"] = ::Rack::Utils.bytesize(minified).to_s
+        headers['Content-Length'] = ::Rack::Utils.bytesize(minified).to_s
         response = [minified]
-      elsif standalone_css_content?(env["PATH_INFO"])
+      elsif standalone_css_content?(env['PATH_INFO'])
         minified_css = @compressor.compress(::Middleman::Util.extract_response_text(response))
 
-        headers["Content-Length"] = ::Rack::Utils.bytesize(minified_css).to_s
+        headers['Content-Length'] = ::Rack::Utils.bytesize(minified_css).to_s
         response = [minified_css]
       end
 
diff --git a/middleman-core/lib/middleman-more/extensions/minify_javascript.rb b/middleman-core/lib/middleman-more/extensions/minify_javascript.rb
index 9e9f40df..ecacae4c 100644
--- a/middleman-core/lib/middleman-more/extensions/minify_javascript.rb
+++ b/middleman-core/lib/middleman-more/extensions/minify_javascript.rb
@@ -41,7 +41,7 @@ class Middleman::Extensions::MinifyJavascript < ::Middleman::Extension
     def call(env)
       status, headers, response = @app.call(env)
 
-      path = env["PATH_INFO"]
+      path = env['PATH_INFO']
 
       begin
         if @inline && (path.end_with?('.html') || path.end_with?('.php'))
@@ -49,13 +49,13 @@ class Middleman::Extensions::MinifyJavascript < ::Middleman::Extension
 
           minified = minify_inline_content(uncompressed_source)
 
-          headers["Content-Length"] = ::Rack::Utils.bytesize(minified).to_s
+          headers['Content-Length'] = ::Rack::Utils.bytesize(minified).to_s
           response = [minified]
         elsif path.end_with?('.js') && @ignore.none? {|ignore| Middleman::Util.path_match(ignore, path) }
           uncompressed_source = ::Middleman::Util.extract_response_text(response)
           minified = @compressor.compress(uncompressed_source)
 
-          headers["Content-Length"] = ::Rack::Utils.bytesize(minified).to_s
+          headers['Content-Length'] = ::Rack::Utils.bytesize(minified).to_s
           response = [minified]
         end
       rescue ExecJS::ProgramError => e
diff --git a/middleman-core/lib/middleman-more/extensions/relative_assets.rb b/middleman-core/lib/middleman-more/extensions/relative_assets.rb
index 82b79dfa..3e67d59d 100644
--- a/middleman-core/lib/middleman-more/extensions/relative_assets.rb
+++ b/middleman-core/lib/middleman-more/extensions/relative_assets.rb
@@ -15,7 +15,7 @@ class Middleman::Extensions::RelativeAssets < ::Middleman::Extension
     # @param [String] path
     # @param [String] prefix
     # @return [String]
-    def asset_url(path, prefix="")
+    def asset_url(path, prefix='')
       path = super(path, prefix)
 
       if path.include?('//') || path.start_with?('data:') || !current_resource
diff --git a/middleman-core/lib/middleman-more/templates/smacss.rb b/middleman-core/lib/middleman-more/templates/smacss.rb
index 72bb082d..b8b6d625 100644
--- a/middleman-core/lib/middleman-more/templates/smacss.rb
+++ b/middleman-core/lib/middleman-more/templates/smacss.rb
@@ -1,14 +1,14 @@
 # SMACSS
 class Middleman::Templates::Smacss < Middleman::Templates::Base
 
-  class_option "css_dir",
-    :default => "stylesheets",
+  class_option 'css_dir',
+    :default => 'stylesheets',
     :desc    => 'The path to the css files'
-  class_option "js_dir",
-    :default => "javascripts",
+  class_option 'js_dir',
+    :default => 'javascripts',
     :desc    => 'The path to the javascript files'
-  class_option "images_dir",
-    :default => "images",
+  class_option 'images_dir',
+    :default => 'images',
     :desc    => 'The path to the image files'
     
   # Template files are relative to this file
@@ -20,9 +20,9 @@ class Middleman::Templates::Smacss < Middleman::Templates::Base
   # Output the files
   # @return [void]
   def build_scaffold!
-    template "shared/config.tt", File.join(location, "config.rb")
-    directory "smacss/source", File.join(location, "source")
-    empty_directory File.join(location, "source")
+    template 'shared/config.tt', File.join(location, 'config.rb')
+    directory 'smacss/source', File.join(location, 'source')
+    empty_directory File.join(location, 'source')
   end
 end
 
diff --git a/middleman-core/lib/middleman/rack.rb b/middleman-core/lib/middleman/rack.rb
index fde39329..6fbd2129 100644
--- a/middleman-core/lib/middleman/rack.rb
+++ b/middleman-core/lib/middleman/rack.rb
@@ -1,4 +1,4 @@
-require "middleman-core/load_paths"
+require 'middleman-core/load_paths'
 ::Middleman.setup_load_paths
 
-require "middleman-core"
+require 'middleman-core'
diff --git a/middleman/Rakefile b/middleman/Rakefile
index 8f25f891..120b9c7c 100644
--- a/middleman/Rakefile
+++ b/middleman/Rakefile
@@ -1,5 +1,5 @@
 # coding:utf-8
 RAKE_ROOT = __FILE__
 
-GEM_NAME = "middleman"
-require File.expand_path(File.dirname(__FILE__) + '/../gem_rake_helper')
\ No newline at end of file
+GEM_NAME = 'middleman'
+require File.expand_path(File.dirname(__FILE__) + '/../gem_rake_helper')
diff --git a/middleman/lib/middleman.rb b/middleman/lib/middleman.rb
index a3f88737..878b9c59 100644
--- a/middleman/lib/middleman.rb
+++ b/middleman/lib/middleman.rb
@@ -1,4 +1,4 @@
-require "middleman-core"
+require 'middleman-core'
 
 # Make the VERSION string available
-require "middleman-core/version"
+require 'middleman-core/version'