Changed the messaging system for the Homework and Classlist Manager.
This file is no longer used.
restored some rudimentary permission system.
Changed the parameter courseSettings.course to course_id
More Changes to authentication and permissions.
Move the templates and css files for Homework and Classlist Manager into the themes directory and changed some styling.
Added a course-info route and changed the default logging verbosity to "debug" from "core"
Fixed a bug that prevented rendering.
Changed the way the problem set synching worked to prevent synching twice.
Changed the way the problem set synching worked to prevent synching twice.
Changed some styling to get the page to scroll better.
Some changes to authentication
Added classes on the Problem Set List View (on left) to accept different stylings to visible and reduced credit.
Updated backbone validation library.
Fixed issue #168, validation of due_ open_ and answer_ dates.
Bug fixes to library browser and add problems to sets.  (Issue #169).
Fixed issue #170
Added deleting a set to the Manage Problem Sets view
Made sure that UserSets and UserProblems were handled right on the server.  This fixes issue #171
Fixed issue #172 and now the library browser shows problems last viewed.