* refactor create playout handler * refactor get all playouts handler * refactor delete playout handler * remove dead code * ignore unnamed artists for collections * more repository cleanup * more schedule items refactoring * more playout refactoring * refactor playout builder * refactor ffmpeg profiles * more ffmpeg profile refactoring * rework resolutions * refactor media collections * refactor config elements * update changelog * more cleanup
* add music videos library * add music video tables * first pass at music video library scan * support music videos in playouts * display music videos in search results and collections * fix music video thumbnails * remove some obsolete fields
