Cleanup Gemfile

Gemfile

@@ -1,22 +1,27 @@
+#
+# Please keep this file alphabetized and organized
+#
 source 'http://rubygems.org'
 
 gemspec
 
 group :test do
-  if RUBY_VERSION < "1.9"
-    gem "nokogiri",   "~> 1.5.0"
-    gem "ruby-debug", "~> 0.10.4"
-  elsif RUBY_VERSION < "2.0"
-    gem "debugger-linecache", "~> 1.2.0"
-    gem "debugger", "~> 1.6.4"
+  if RUBY_VERSION < '1.9'
+    gem 'nokogiri',   '~> 1.5.0'
+    gem 'ruby-debug', '~> 0.10.4'
+  elsif RUBY_VERSION < '2.0'
+    gem 'debugger-linecache', '~> 1.2.0'
+    gem 'debugger', '~> 1.6.4'
+  elsif RUBY_VERSION < '2.1'
+    gem 'byebug',   '~> 2.1.1'
   else
-    gem "byebug",   "~> 2.1.1"
+    gem 'pry-byebug'
   end
-  gem "shoulda",    "~> 2.11"
-  gem "rake",       "~> 10"
-  gem "mocha",      "~> 0.14",  :require => false
-  gem "timecop",    "<= 0.6.0"
-  gem "systemu",    "~> 2"
-  gem "rspec",      "~> 2"
-  gem 'pry'
+
+  gem 'mocha',     '~> 0.14',  :require => false
+  gem 'rake',      '~> 10'
+  gem 'shoulda',   '~> 2.11'
+  gem 'systemu',   '~> 2'
+  gem 'test-unit', '~> 3'
+  gem 'timecop',   '<= 0.6.0'
 end