* 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
* start to add multi-collections
* create multi collection with no items
* edit multi collections
* fix plex credentials threading issue
* add playback order to multi collection items
* group episodes outside of shuffled enumerator
* move playback order onto each schedule item
* fix multi collection grouping
* update changelog
Jason Dove
Jason Dove