2007-01-31  Michael Natterer  <mitch@gimp.org>

	* app/core/Makefile.am
	* app/core/core-types.h
	* app/core/gimpchannelundo.[ch]
	* app/core/gimplayerundo.[ch]
	* app/core/gimplayermaskundo.[ch]: new undo classes implementing
	channel, layer and layer mask add and remove undos.

	* app/vectors/Makefile.am
	* app/vectors/vectors-types.h
	* app/vectors/gimpvectorsundo.[ch]: vectors add and remove undos.

	* app/core/gimpimage-undo-push.[ch]: use the new undo classes.
	Removed "position" parameter from all "add" functions because
	it's useless.

	* app/core/gimpimage.c: changed accordingly.


svn path=/trunk/; revision=21822