* wip
* first pass at elasticsearch; movies kind of work
* use field name constants
* properly sort search results
* fix some crashes
* fix page map/jump letters
* optimize page map using terms aggregation
* index all item types
* optionally use elastic search
* code cleanup
* automatically rebuild lucene index after improper shutdown
* update changelog
* rework plex movie library scanner; add unavailable media item state
* plex television scanner improvements
* reset plex etags as needed
* update changelog
* 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