[gnome-music] (5 commits) Non-fast-forward update to branch wip/jfelder/improve-song-album-sorting

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/improve-song-album-sorting' 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:

  12cde89... Use normalized strings to sort album, artists and songs nam
  bc7533e... Use natural order to sort album, artists and song names

Commits added to the branch:

  33f30ff... albumwidget: Add copyright and license information (*)
  5295c0c... albumwidget: Minor cleanups (*)
  f0f7628... player: Remove unused signal playlist-changed (*)
  4efbfcb... Use normalized strings to sort album, artists and songs nam
  9429d60... Use natural order to sort album, artists and song names

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