[gimp] (19 commits) Non-fast-forward update to branch wip/Jehan/GimpUi.init

[Jehan <jehanp src gnome org>]

The branch 'wip/Jehan/GimpUi.init' 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:

  5a2861b... libgimp: 'gimp_ui' as priority prefix for GimpUi introspect

Commits added to the branch:

  e154cd2... plug-ins: delete Python whirlpinch and clothify without por (*)
  2271b5b... Issue #4368: remove 2 more outdated Python plug-ins. (*)
  0ec5ee4... plug-ins: get rid of pygimp! (*)
  3fb2820... icons: remove old file move error. (*)
  6dae2c1... app: remove unused function. (*)
  71ad53e... libgimpconfig: fix conversion of negative int values in gim (*)
  1ae1801... Update Ukrainian translation (*)
  5fb0577... app: NULL log domain is not a bug. (*)
  67e2e1b... app, libgimp, plug-ins: move Orientation metadata handling  (*)
  5a8d696... libgimp, pdb: new functions gimp_image_policy_rotate() and… (*)
  9005a3a... libgimp, po: fix def files and POTFILES.in. (*)
  41c8d19... app: argh metadata-rotation-import-dialog.h missing from Ma (*)
  09fa321... app: new profile conversion policy to preferred color profi (*)
  2ec6510... Issue #4505: Adjust the Preferences size to fit on smaller  (*)
  b4fefc0... Update Ukrainian translation (*)
  578e3b0... Issue #5630: Sample Merged as defaults in Color Picker tool (*)
  578c078... app: GimpFilterTool displays a "Sample merged" checkbox. (*)
  46effd3... libgimp: 'gimp_ui' as priority prefix for GimpUi introspect
  3c9240e... MR !343: using GimpUi prefix in Vala plug-ins too.

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