Gemfile in ckeditor-4.1.6 vs Gemfile in ckeditor-4.2.0

@@ -1,42 +1,35 @@
-source "http://rubygems.org"
+source 'http://rubygems.org'
 
 gemspec
 
-gem "rails", "4.2.4"
+gem 'rails', '4.2.7'
 
-platforms :mri_18 do
-  group :test do
-    gem 'ruby-debug'
-    gem 'SystemTimer'
-  end
-end
-
 platforms :ruby do
-  gem "sqlite3"
+  gem 'sqlite3'
 
   group :development do
-    gem "unicorn", "~> 4.0.1"
+    gem 'unicorn', '~> 4.0.1'
   end
 
   group :development, :test do
     gem 'jquery-rails', '~> 4.0.4'
-    gem "capybara", ">= 0.4.0"
-    gem "mynyml-redgreen", "~> 0.7.1", :require => 'redgreen'
+    gem 'capybara', '>= 0.4.0'
+    gem 'mynyml-redgreen', '~> 0.7.1', require: 'redgreen'
   end
 
   group :active_record do
     gem 'paperclip'
-    gem "carrierwave"
-    gem "dragonfly"
-    gem "mini_magick"
-    gem "refile", require: "refile/rails"
-    gem "refile-mini_magick"
+    gem 'carrierwave'
+    gem 'dragonfly'
+    gem 'mini_magick'
+    gem 'refile', require: 'refile/rails'
+    gem 'refile-mini_magick'
   end
 
   group :mongoid do
     gem 'mongoid', '~> 5.0.0'
-    gem "bson_ext"
-    gem 'mongoid-paperclip', :require => 'mongoid_paperclip'
-    gem 'carrierwave-mongoid', :require => 'carrierwave/mongoid'
+    gem 'bson_ext'
+    gem 'mongoid-paperclip', require: 'mongoid_paperclip'
+    gem 'carrierwave-mongoid', require: 'carrierwave/mongoid'
   end
 end