ActiveRecord - With OAuth Submodule, it behaves like a Rails 3 OAuth Model

[jonmchan]

https://github.com/Sorcery/sorcery/blob/master/spec/active_record/user_oauth_spec.rb

https://github.com/Sorcery/sorcery/blob/master/spec/shared_examples/user_oauth_shared_examples.rb

Change rails_3_oauth_model to rails_oauth_model