Bump dotenv
Bump puma
Bump omniauth related gems
Bump to Rails 4.1.0.beta1
Bump to Rails 4.1.0.beta1
Fix webmock version in Gemfile.lock
Bump to rails 4.1
Update Gemfile with Rails 4.1 and should-matchers master
Rename scope named public because AR defined it already
Update integration tests files with ActionDispatch::IntegrationTest

- ActionController::IntegrationTest is deprecated in favor of ActionDispatch::IntegrationTest
Update test_helper with ActionDispatch module for integration tests