MBS-7538: Make it possible to edit URL relationship attributes again
MBS-7579: Annotation edits break release adds
Remove instrument/relationships.tt since it was never supposed to be there
Stop place/MBID/relationships from trying to load a missing template
Fix syntax error on /admin
Add missing header for browse series page
Remove long unused label/subscriptions.tt template
Relationships are already loaded on the place performances page
MBS-7593: mini-relationship-editor seeding should ignore bad link types
MBS-7561: Relationship editor doesn't show the count of selected recordings
MBS-7558: Relationship-editor shows "The end date cannot preceed the begin date" incorrectly
MBS-7596: The relationship editor dialog should work on a copy of the relationship until the dialog is accepted
MBS-7597: Replacing recording-work relationship in relationship editor fails
MBS-7599: Relationship editor doesn't load relationships for some recordings

Calling parseRelationships in the recordings' init method doesn't work
because the recordings may have already been initialized (as being part
of a relationship) but without any relationship data.
Combine day checks into single statement
Merge remote-tracking branch 'nikki-bitbucket/template-fixes' into beta

* nikki-bitbucket/template-fixes:
  Relationships are already loaded on the place performances page
  Remove long unused label/subscriptions.tt template
  Add missing header for browse series page
  Fix syntax error on /admin
  Stop place/MBID/relationships from trying to load a missing template
  Remove instrument/relationships.tt since it was never supposed to be there
Merge remote-tracking branch 'bitmap/mbs-7579' into beta

* bitmap/mbs-7579:
  MBS-7579: Annotation edits break release adds
Merge remote-tracking branch 'bitmap/mbs-7593' into beta

* bitmap/mbs-7593:
  MBS-7593: mini-relationship-editor seeding should ignore bad link types
Merge remote-tracking branch 'bitmap/mbs-7561' into beta

* bitmap/mbs-7561:
  MBS-7561: Relationship editor doesn't show the count of selected recordings
Merge remote-tracking branch 'bitmap/mbs-7596' into beta

* bitmap/mbs-7596:
  MBS-7596: The relationship editor dialog should work on a copy of the relationship until the dialog is accepted