[gnome-control-center] (7 commits) Non-fast-forward update to branch allow-all-images-as-background

[Matthias Clasen <matthiasc src gnome org>]

The branch 'allow-all-images-as-background' 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:

  97072a6... background: Allow all images

Commits added to the branch:

  47f7367... Update Portuguese translation (*)
  0e8e4ff... Update Persian translation (*)
  1268ad7... Update Abkhazian translation (*)
  381b5f5... Update Croatian translation (*)
  ff90420... sound: Fix sound alert selection (*)
  12352f8... firmware-security: Move the workaround for UEFI Secure Boot (*)
  920302b... background: Allow all images

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