Added afterFind() to format track length field correctly for view
Part of jQuery UI - may remove if unnecessary
Adding jQuery and jQueryUI for view
Part of default CakePHP package, removing as unnecessary.
Added default data sorting instruction: tracks should be fetched by setlist_order ASC
Changing default styles, adding jQuery
Provides sorting functions for jQueryUI.sortable(), enabling user to save new setlist order
Changed CSS styles for Bootstrap, enabled sorting via jQueryUI.sortable()
Added ORDER BY Track.setlist_order ASC to query