cleanup Gemfile

Gemfile

@@ -23,47 +23,29 @@ gem 'fast_gettext', '>= 0.7.0'
 # validation error messages
 gem 'rails-i18n'
 
+gem 'xmlhash', '>= 1.2.2'
+gem 'hashie'
+gem 'dalli'
+gem 'minitest'
+gem 'hoptoad_notifier', "~> 2.3"
+gem 'mini_magick'
+
 # needed to collect translatable strings
 # not needed at production
 group :development do
   # no need to load the gem via require
   # we only need the rake tasks
   gem 'gettext', '>= 1.9.3', :require => false
+  gem 'sqlite3'
 end
 
-# MySQL is not used, as far as I know
-gem 'mysql2', '~> 0.4.9'
-
-gem 'xmlhash', '>= 1.2.2'
-gem 'hashie'
-
-#gem 'memcache-client'
-gem 'dalli'
-gem 'sqlite3'
-gem 'minitest'
-gem 'hoptoad_notifier', "~> 2.3"
-gem 'mini_magick'
-#gem 'actionpack-page_caching'
-#gem 'actionpack-action_caching'
+group :production do
+  gem 'mysql2', '~> 0.4.9'
+end
 
 group :test do
-# This doesn't work because capybara-webkit (~> 1.1.1) depends on
-# capybara (< 2.2.0, >= 2.0.2) ruby
-#  gem 'capybara', '~>2.2.1'
-#  gem 'capybara-webkit', '~>1.1.1'
-# This 'bundles' but does not work (incompatibility)
-#  gem 'capybara', '~>2.2.1'
-#  gem 'capybara-webkit', '< 1.0'
-# And this (the only working solution) cannot by installed because capybara-webkit (~> 1.1.1)
-# requires 'websocket (~> 1.0.4)' but rubygem-websocket-1_0_7 requires ruby(abi) = 2.0.0
-#  gem 'capybara', '~>2.0.3'
-#  gem 'capybara-webkit', '~>1.1.1'
   gem 'capybara'
   gem 'poltergeist'
-
   gem 'webmock'
-
   gem 'rubocop', ">= 0.47"
 end
-
-# gem 'capistrano', '~> 2.13'