2003-11-22  Michael Natterer  <mitch@gimp.org>

	* libgimpwidgets/gimpwidgetsmarshal.list
	* libgimpwidgets/gimpcolordisplaystack.[ch]: added signals
	::added(), ::removed() and ::reordered() and emit them in the
	resp. functions.

	* app/widgets/Makefile.am
	* app/widgets/widgets-types.h
	* app/widgets/gimpcolordisplayeditor.[ch]: new widget implementing
	an editable view on a GimpColorDisplayStack. Most code taken from
	below...

	* app/display/gimpdisplayshell-filter-dialog.c: ...and removed
	here. Only creates a GimpDialog around a GimpColorDisplayEditor
	now.