Update Gemfile to what would be generated by Refinerycms

Gemfile

@@ -3,16 +3,45 @@ source "http://rubygems.org"
 gemspec
 
 ## Uncomment the following lines to develop against edge refinery
-# gem 'refinerycms', :git => 'git://github.com/resolve/refinerycms.git'
-gem 'refinerycms', :path => '~/Code/refinerycms'
+gem 'refinerycms', :git => 'git://github.com/resolve/refinerycms.git'
 gem 'seo_meta', :git => 'git://github.com/parndt/seo_meta.git'
 
 gem 'jquery-rails'
 
 group :development, :test do
   gem 'refinerycms-testing', '~> 2.0.0'
-  gem 'spork', '0.9.0.rc9', :platforms => :ruby
-  gem 'guard-spork', :platforms => :ruby
+
+  require 'rbconfig'
+
+  platforms :mswin, :mingw do
+    gem 'win32console'
+    gem 'rb-fchange', '~> 0.0.5'
+    gem 'rb-notifu', '~> 0.0.4'
+  end
+
+  platforms :ruby do
+    gem 'spork', '0.9.0.rc9'
+    gem 'guard-spork'
+
+    if Config::CONFIG['target_os'] =~ /darwin/i
+      gem 'rb-fsevent', '>= 0.3.9'
+      gem 'growl',      '~> 1.0.3'
+    end
+    if Config::CONFIG['target_os'] =~ /linux/i
+      gem 'rb-inotify', '>= 0.5.1'
+      gem 'libnotify',  '~> 0.1.3'
+    end
+  end
+
+  platforms :jruby do
+    if Config::CONFIG['target_os'] =~ /darwin/i
+      gem 'growl',      '~> 1.0.3'
+    end
+    if Config::CONFIG['target_os'] =~ /linux/i
+      gem 'rb-inotify', '>= 0.5.1'
+      gem 'libnotify',  '~> 0.1.3'
+    end
+  end
 end
 
 group :assets do