[gnome-music] (14 commits) Non-fast-forward update to branch wip/mschraal/albumview-covers-on-demand

[Jean Felder <jfelder src gnome org>]

The branch 'wip/mschraal/albumview-covers-on-demand' 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:

  bb45094... albumsview: Load covers on demand
  0eba5fe... albumsview: Clarify widget naming
  7ddeaff... albumsview: Re-add timeout based cover loading

Commits added to the branch:

  ea41715... scrobbler: Do not crash if the session key is unavailable (*)
  e38c10c... coregrilo: Restore plugins rank support (*)
  bac1f14... trackerwrapper: Update version check for tracker:ExternalRe (*)
  d5c96d4... grltrackerwrapper: Retrieve MusicBrainz album ids to get co (*)
  ac44d6a... mpris: Fix CanPause and CanPlay emission (*)
  3ec9caf... coremodel: Remove notify freeze (*)
  595a9f8... coremodel: Unify playlist-loaded signal (*)
  11e3b51... coremodel: Compress items-changed signal (*)
  8410350... coremodel: Add set_player_model docstring (*)
  04180ba... mpris: Fix LoopStatus getter (*)
  4f9628c... mpris: Use double quotes in LoopStatus getter (*)
  a6ba606... albumsview: Load covers on demand
  6942f97... albumsview: Clarify widget naming
  436549b... albumsview: Re-add timeout based cover loading

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