clean-up code

* Remove trailing whitespace
  * Converts hard-tabs into two-space soft-tabs
  * Remove consecutive blank lines

spec/spec_helper.rb

@@ -11,7 +11,6 @@ require 'capybara/dsl'
 require 'factories'
 require 'monkeypatch'
 
-
 # Requires supporting ruby files with custom matchers and macros, etc,
 # in spec/support/ and its subdirectories.
 Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}