Author: Cole
Commit: Rename all references of subtask to task, since there are only task categories and tasks.
Author: Cole
Commit: Add category badge completion.
Clicking selected task menu items no long deselects them.
Clicking a completed task menu item sets its badge to the selected and completed state
The Category badge now inverts when a category button is selected.
Update the task controller select white listed values from sent user data.
Backbone task model wraps attributes in a root task object for rails.