This migration adds "Storage Locations", managed via a new System Administration panel, that can hold Station Media data, live broadcast recordings, and backups. These storage locations can be local (as they are by default) or remote via any S3-compatible service.
* Song database and entity overhaul, part 1.
* Remove Songs table from a number of qeries and reports.
* Fix references to Songs table; rewrite StationMedia processing.
* Remove song reference in queue page.
* Allow custom log level via environment variable.
- Switch to EntityManagerInterface for EM uses
- Wrap EntityManager in close-resilient wrapper
- Close/clear/reopen EM with every request
- Rework tests to be em->clear() resilient.
Buster "Silver Eagle" Neece
Vaalyn