[gimp] (8 commits) Non-fast-forward update to branch wip/Jehan/issue-498-quick-brush-edit

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/issue-498-quick-brush-edit' 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:

  cd856ec... app: allow to change the brush size on alt-right click.
  89702a1... app: stop alt-right click brush size change when releasing 

Commits added to the branch:

  f268813... Update Slovenian translation (*)
  f68aebd... Update Portuguese translation (*)
  831deb9... Update Galician translation (*)
  9c2a3d2... Update Galician translation (*)
  e7ef9be... Update Ukrainian translation (*)
  f136915... app: do not feed babl with empty color palette. (*)
  07865f1... app: allow to change the brush size on alt-right click.
  a1d1e32... app: stop alt-right click brush size change when releasing 

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