[gnome-music] (11 commits) Non-fast-forward update to branch wip/mschraal/core-thumb-property

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/core-thumb-property' 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:

  ffa2b36... corealbum: Add thumbnail property
  25be52d... artstack: Add default size setter
  b71e614... Rename StoreArtist to StoreArt
  0cb14f5... Restore embedded art support
  ca1e709... artstack: Disconnect notification on coreobject change
  183e55b... coresong: Add thumbnail property
  80c9eb3... mpris: Use CoreSong thumbnail property
  37b2263... utils: Add ArtSize enum
  6c83b9e... Remove coverstack.py and albumartcache.py
  85e3f64... grltrackerwrapper: Clarify function name
  096a9d2... grltrackerwrapper: Consolidate art queries

Commits added to the branch:

  b00dcc3... artstack: Add default size setter
  9a8d072... corealbum: Add thumbnail property
  329e19e... Rename StoreArtist to StoreArt
  f94f7b5... Restore embedded art support
  8ee76de... artstack: Disconnect notification on coreobject change
  38f71a4... coresong: Add thumbnail property
  388abbe... mpris: Use CoreSong thumbnail property
  e74569b... utils: Add ArtSize enum
  42657b2... Remove coverstack.py and albumartcache.py
  bf8c5e4... grltrackerwrapper: Clarify function name
  d8d2517... grltrackerwrapper: Consolidate art queries