Tidy up Gemfile.

Gemfile

@@ -3,28 +3,25 @@ source "http://rubygems.org"
 gemspec
 
 gem "rails", "~> 3.1.0"
-gem 'omniauth', '~> 1.0.0'
-gem 'omniauth-oauth2', '~> 1.0.0'
-
+gem "omniauth", "~> 1.0.0"
+gem "omniauth-oauth2", "~> 1.0.0"
 gem "rdoc"
 
 group :test do
-  gem 'omniauth-facebook'
-  gem 'omniauth-openid', '~> 1.0.1'
+  gem "omniauth-facebook"
+  gem "omniauth-openid", "~> 1.0.1"
   gem "webrat", "0.7.2", :require => false
   gem "mocha", :require => false
+
+  platforms :mri_18 do
+    gem "ruby-debug", ">= 0.10.3"
+  end
 end
 
 platforms :jruby do
-  gem 'activerecord-jdbc-adapter'
-  gem 'activerecord-jdbcsqlite3-adapter'
-  gem 'jruby-openssl'
-end
-
-platforms :mri_18 do
-  group :test do
-    gem "ruby-debug", ">= 0.10.3"
-  end
+  gem "activerecord-jdbc-adapter"
+  gem "activerecord-jdbcsqlite3-adapter"
+  gem "jruby-openssl"
 end
 
 platforms :ruby do