* Tests for migration 23
* Make the migration more robust
For duplicate foreign Ids, create dummy id so correlated subquery
doesn't fail.
If we can't parse the release from the database, put in a dummy release.
* Be more careful with metadata refreshes
Make sure we deal with items that are not linked to the correct parent
* New: Store all releases for an album and track artists
* Add Overview, links and release date by release
* Tidy up
* Fix metadata refresh errors following musicbrainz edits
* Multi Disc Stage 1 - Backend Work
* Quality Group Functionality
* Fixed: Only show wanted album types on ArtistDetail page
* Add Media Count Column to ArtistDetail Page
* Parser updates for multidisc cases, other usenet release title formats
* Search for Tracks by Medium Number in Addition to Title and TrackNumber
* Medium Renaming Token for Track Naming
* fixup Codacy and Comment Cleanup
* fixup remove comments