Added paused category to TopLevelLookup
* moved paused category up in root menu
Added "Never Played" category
Stop command in menu now removes media from paused list
Fixed error when using do_[stop|audio|subtitle] if not media file
Made delayed image rendering the default
* changed "horsepower" to "delayed_rendering"
Corrected StaticFileList.filter to return list
Fixed "Never Played" list to only show metadata where all unplayed
* added --test-menu-search option, changed --test-menu option to force unplayed
Added script to mark media as played