Clearer instructions on adding posts
Load Controller in router instead of partial. Move MainCtrl to above the ng-view directive
Updated bower dependencies
Added ids should be unique - lets make them.
Add functionality for managing user permisions

* This is based on user.role, a flag that has "USER", "ADMIN", "POSTER"
  as it's parameters.
* Nothing done on frontend currently
Admin frontend now supports the new flags
User level functionality implemented in frontend