2005-06-05  Sven Neumann  <sven@gimp.org>

	* app/widgets/gimpdocked.[ch]
	* app/widgets/gimpeditor.[ch]: moved button-bar API to the
	GimpDocked interface.

	* app/widgets/gimpcontainereditor.c: implement the new interface
	methods and proxy them to the embedded docked.

	* app/actions/dockable-actions.c
	* app/actions/dockable-commands.c: changed accordingly.