Supporting port config of SFTP

lib/middleman-deploy/methods/ftp.rb

@@ -15,6 +15,7 @@ module Middleman
           @user = self.options.user
           @pass = self.options.password
           @path = self.options.path
+          @port = self.options.port
         end
 
         def process

lib/middleman-deploy/methods/sftp.rb

@@ -10,7 +10,7 @@ module Middleman
           puts "## Deploying via sftp to #{self.user}@#{self.host}:#{path}"
 
           # `nil` is a valid value for user and/or pass.
-          Net::SFTP.start(self.host, self.user, :password => self.pass) do |sftp|
+          Net::SFTP.start(self.host, self.user, :password => self.pass, :port => self.port) do |sftp|
             sftp.mkdir(self.path)
 
             Dir.chdir(self.server_instance.build_dir) do