Adapted the "mark a single entry as read" functionality to angularjs.
Improved error message when there is a problem marking an entry as read.
Removed unit tests for the EntriesController which tested features that have been removed.
Removed unit test for the User model related to functionality that has been removed (returning a hash of folder and feed changes when changing entry states).
Adapted the "mark all entries as read" functionality to angularjs.
Adapted the "mark an entry as unread" functionality to angularjs.