* add explicit warning for zero/invalid duration media items
* set dateadded on plex media versions
* add media stream table
* save local media streams to db
* save plex media streams to db
* add preferred language settings (no validation)
* use preferred language if possible
* code cleanup
* proper language code validation
* force scan of all libraries to pull in media streams
* fix episode fallback metadata processing, fix show fallback metadata year parsing
* fix sort title for "a" and "an"
* add and index studio metadata
* minimize circular logging with search index errors
* update plex movie sort titles as needed
* properly escape search links
* force refreshing all movie/show metadata
* add letter bar with no links
* use lucene for search, add paged search results
* add search index version
* index library_name; rebuild index when folder is missing
* maintain index as local movies change
* fix tests
* maintain index as local shows change
* maintain index as plex movies change
* maintain index as plex shows change
* code cleanup
* add duplicate filter to search
* add links to letter bar
* code cleanup