[gnome-music] (3 commits) Non-fast-forward update to branch wip/mschraal/coremodel-flatten-search-models

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/coremodel-flatten-search-models' was changed in a way that was not a fast-forward 
update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  a3ffdc1... coremodel: Use flattened wrapper models for all searches

Commits added to the branch:

  350dabc... Use publication date instead of creation date for songs (*)
  f91ba83... coremodel: Use flattened wrapper models for all searches
  cc092c3... grltrackerwrapper: Adapt songs search terminology

(*) This commit already existed in another branch; no separate mail sent