Added content brokering to the system.
Added test for content entry class.
Moved tests to the correct location under the parent Frugality folder.
Added Controller interface.
Added base controller for use by other controllers.
Added documentation tags to the controller interface and base controller.
Added content path to the bootstraps.
Content Broker service now uses content path.
Added the ability for the controller to be given a content broker.
Site and Plug-in names stored in the site object will be lowercased.
Added accessors for whether the site is in mobile or development mode.
Added basic output handler.
Added error output from PHPUnit into the test command so that a user can see why tests are failing.