* fix validation in new form layout
* pin mediatr to last oss version
* update dependencies
* cleanup code in core
* cleanup code in ffmpeg
* cleanup code in infra
* cleanup code in scanner
* cleanup code in application
* cleanup main code
* cleanup test code
* solution-wide code cleanup
* 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