Authenticating via Twitter with Omniauth on Devise

This is an example project on using Devise with Omniauth to authenticate via Twitter, not allowing any other authentication scheme.

This should work with Ruby 1.9.2 & Rails 3.0.9

References

• http://blog.codegram.com/2011/2/acceptance-tests-with-cucumber-devise-omniauth-and-twitter
• http://es.asciicasts.com/episodes/235-omniauth-part-1