* Major code reorganization for better future development
* PHP warning fix
* Enabled option to add comments on Shows and Playlists
* Added option to show either single or multiple schedules in the On Air widget

git-svn-id: https://plugins.svn.wordpress.org/radio-station/trunk@810929 b8457f37-d9ea-0310-8a92-e5e31aec5664