Bump version to 0.4.4
Added a configurable option for pjax

Some actions, like logging in as another user, should be rendered
in the app, not via pjax.  This change allows an action to indicate
how it should be rendered.
Remove history section [ci skip]
Rename public certificate
Add official support for Ruby 2.0.0
Reduce the number of Travis builds
Update Code Climate badge [ci skip]
Delete custom build script
Make gem dependencies more consistent
Model plural label fix

Count must be 'other' to apply :other key with every locale. 
fix for ckeditor
Update haml dependency to version ~> 4.0
The source :rubygems is deprecated because HTTP requests are insecure.
Bump version to 0.4.5