Update ruby to 2.1.5
Update rails to 4.1.8
Update jquery-rails to 3.1.2
Update sass-rails to 4.0.5
Update coffee-rails to 4.1.0
Update devise to 3.4.1
Update redcarpet 3.2.1
Update rspec-rails to 3.1.0
Update rubocop to 0.27.1
Update spring to 1.2.0
Update capybara to 2.4.4
Update factory_girl_rails to 4.5.0
Update shoulda-matchers to 2.7.0
Update simplecov to 0.9.1