Update ruby version to 2.0.0
Update dummy app for Rails 4
Update tests for Rails 4

* Remove strong_parameters includes
* Remove reliance on minitest-shoulda-rails :(
Updated gems for Rails 4
New alpha version for Rails 4
Use secure rubygems source
Specify ref for rails4 branches on dependencies
Use newleaders as github sources on rails4 gems
Merge pull request #48 from bousquet/rails4

Rails4 Compatibility