[gimp] (6 commits) Non-fast-forward update to branch nielsdg/fix-context-menus

[Niels De Graef <nielsdg src gnome org>]

The branch 'nielsdg/fix-context-menus' 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:

  04fbcb1... app: Popup menu at pointer in GimpEditor
  bdab4fc... app: Popup menu at rect in GimpEditor
  ab200d0... app: Remove old GimpUiManager popup API

Commits added to the branch:

  06de8ab... libgimpwidgets: use GtkGestureDrag in ScrolledPreview (*)
  b2f875e... modules: Use GtkGestureDrag in ColorWheel (*)
  cf55b61... Update Lithuanian translation (*)
  67fd1f0... app: Popup menu at pointer in GimpEditor
  eed28c0... app: Popup menu at rect in GimpEditor
  bb4403f... app: Remove old GimpUiManager popup API

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