[gimp] (8 commits) Non-fast-forward update to branch alxsa-empty-symmetry-dockable

[Alx Sa <sawyeralex src gnome org>]

The branch 'alxsa-empty-symmetry-dockable' 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:

  239d1a4... app: Disabled symmetry menu when no image is set

Commits added to the branch:

  00232e1... plug-ins: Add support for loading .icns files (*)
  05d36f9... Update Ukrainian translation (*)
  bb91c38... Update Slovenian translation (*)
  0581df1... Update POTFILES.skip (*)
  e2416b2... Update Portuguese translation (*)
  9469fd1... Update Portuguese translation (*)
  28e0033... app: fix string of GIMP_HELP_FILE_CREATE_TEMPLATE (*)
  53202a7... app: Disabled symmetry menu when no image is set

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