* 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
* schedule blocks in order
* block minutes must be multiple of 15
* improve block minutes entry, validation and display
* confirm deleting blocks and block groups
* confirm deleting templates and template groups
* skip unchanged blocks in playout
Jason Dove