[gnome-music] (16 commits) Non-fast-forward update to branch wip/jfelder/async-writeback

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/async-writeback' 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:

  18fe022... coregrilo: Use the async version of grl_source_store_metada

Commits added to the branch:

  7f2e2e2... Update Italian translation (*)
  715ea84... Update Swedish translation (*)
  6e7e4fe... baseview: Fix selection-mode changes (*)
  87484aa... songwidget: Use correct icon for the drag handle (*)
  ef6ea09... songwidget: Style the drag handle icon (*)
  8169410... Add GLib logging support (*)
  2d44f78... musiclogger: Pass extra fields (*)
  1473a6d... musiclogger: Enhance debug and warning messages (*)
  1afcdc4... player: Remove debug print (*)
  c9f288a... emptyview: Remove debug print (*)
  4d4ef4e... grlsearchwrapper: Cleanups (*)
  2ad7a25... Switch to new logging and cleanups (*)
  5c462d0... Remove old logger (*)
  8d04f77... Remove GrlDleynaWrapper (*)
  4c972e2... grltrackerwrapper: Fix callback arguments (*)
  3217dad... coregrilo: Use the async version of grl_source_store_metada

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