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.
* Create new backup and restore commands allowing live backups.
* Switch migrate script to use new backup method.
* Avoid loading fixtures, ensure directories exist when restarting stations.
* Include album art in media backup.
* First portion of automated backup management code.
* Further backup page work; add download/delete functionality.
* Implement automatic backups and "manual run" page.
* Switch automatic backup filename to match text.
* Add new locales.
* Add restore instructions and ability to view latest backup log.