2004-06-14  Michael Natterer  <mitch@gimp.org>

	* app/paint/gimppaintcore.[ch]: added new virtual function
	GimpPaintCore::post_paint() and call it after calling
	GimpPaintCore::paint().

	* app/paint/gimpbrushcore.[ch]: renamed brush_core->grr_brush
	to brush_core->main_brush and reset brush_core->brush
	to brush_core->main_brush in GimpPaintCore::post_paint().

	* app/paint/gimpbrushcore.c
	* app/paint/gimppaintcore-stroke.c
	* app/tools/gimppainttool.c: removed all code which restores
	the brush_core's old brush after painting since post_paint()
	does this automatically now.

	* app/paint/gimpclone.[ch]: moved static variables to the
	GimpClone struct.