[gnome-music] (4 commits) Non-fast-forward update to branch wip/mschraal/tageditor-13feb2020

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/tageditor-13feb2020' 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:

  6982c60... songeditordialog: Initial songs support
  da08ba3... selectiontoolbar: Add support to launch song editor dialog
  f3b63b5... songsview: Add renderer for title and artist
  fcf6cf5... flatpak: Switch to a grilo-plugins branch with required cha

Commits added to the branch:

  d53d559... songeditordialog: Initial songs support
  f2ef9d2... selectiontoolbar: Add support to launch song editor dialog
  732ba13... songsview: Add renderer for title and artist
  c19c61a... flatpak: Switch to a grilo-plugins branch with required cha