2008-10-14  Michael Natterer  <mitch@gimp.org>

	* configure.in
	* app/sanity.c: require GEGL >= 0.0.21.

	* app/core/gimpchannel.c
	* app/core/gimpdrawable-brightness-contrast.c
	* app/core/gimpdrawable-invert.c
	* app/core/gimpimage.c
	* app/core/gimpimagemap.c
	* app/core/gimplayer.c
	* app/gegl/gimp-gegl-utils.c
	* app/tools/gimpbrightnesscontrasttool.c: GEGL operation names
	are now "gegl:"-prefixed.

	* app/core/gimpimagemap.c: set the node's "dont-cache" property
	unconditionally.


svn path=/trunk/; revision=27284