Added the plugin name to the file mapping key

This caused problems when two plugins had the same controller name
because it would conflict in the mapping. By adding the plugin name
to the mapping key this is solved.
Added JSON support to the schedule plugin's controller
Fix the link to the homepage used by the brand button

All of the links in CakePHP automatically use the webroot. Using
the webroot again causes it to actually add the webroot twice
like http://localhost/mauris-web/mauris-web. The way to solve this
is to simply use '/' as the link instead of $this->webroot.
Added some JSDoc to the billboard JavaScript code
Enabled prefix routing for the manage prefix

This is the way your actually supposed to create a management/admin interface. This allows
the creation of manage_ actions which get called when going to /manage/assignments/view
for example. This can in turn replace the manage plugin entirely.
Added a table and view action to the assignment management code
[ISSUE-212] Moved all of the manage plugin code to the main codebase by using prefix routing
Merge branch 'master' into assignment-controller

Conflicts:
	app/Plugin/Manage/Controller/AssignmentsController.php
Forgot to include the home controller with the manage code move
Created a controller to manage billboards
Moved the billboard code to the new billboards controller