[gnome-music] (3 commits) Non-fast-forward update to branch wip/jfelder/grilo-misc-cleanups

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/grilo-misc-cleanups' 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:

  ce56f1a... baseview: Simplify grilo interactions
  776cac4... grilo: Simplify _on_source_added method
  a15c297... grilo: Rename tracker attribute to _tracker_plugin
  81e0241... grilo: Use a configuration file

Commits added to the branch:

  d927d42... grilo: Simplify _on_source_added method
  a303418... grilo: Rename tracker attribute to _tracker_plugin
  cb16b6c... grilo: Use a configuration file