Many commits to cleanup ScriptFu scripts, fixes and obsolete (move to gimp-data-extras.)
Enhance GUI:
Fix #9532 (closed)
Various fixes.
Fix #9866 (closed) Fix #9873 (closed) Fix #9874 (closed)
Deleted script-fu-copy-to-visable, w/o replacement.
Fix #9868 (closed)
Delete some, moved to gimp-data-extras repo.
Fix #9885 (closed) Fix #9878 (closed) Fix #8464 (closed)