MBS-5652: sort labels when loaded by ReleaseLabel by the label ID after the catalog number
MBS-5652: Switch to using the label's sortname
MBS-5652: linebreaks
Merge branch 'mbs-5652-rg-label-sorting' into beta

* mbs-5652-rg-label-sorting:
  MBS-5652: linebreaks
  MBS-5652: Switch to using the label's sortname
  MBS-5652: sort labels when loaded by ReleaseLabel by the label ID after the catalog number