[gnome-music] (4 commits) Non-fast-forward update to branch wip/jfelder/selection-coresong-playlist

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/selection-coresong-playlist' 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:

  d7022ff... grltrackerplaylists: Do not bind selected property
  0ad383d... grltrackerplaylists: Do not bind validation property
  85486d6... grltrackerplaylists: Make state property binding unidirecti

Commits added to the branch:

  bcb2967... grltrackerplaylists: Reset count when all songs are removed (*)
  4d6b18f... grltrackerplaylists: Do not bind selected property
  8cf4f0e... grltrackerplaylists: Do not bind validation property
  5fda871... grltrackerplaylists: Make state property binding unidirecti

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