2002-05-21  Michael Natterer  <mitch@gimp.org>

	* app/config/gimpconfig-types.[ch]: added GIMP_TYPE_COLOR as boxed
	type encapsulating GimpRGB.

	* app/config/gimpconfig-params.[ch]: added GimpParamSpecColor
	which is derived from GParamSpecBoxed and adds a default value.

	* app/config/gimpconfig-deserialize.c
	* app/config/gimpconfig-serialize.c: added generic
	(de)serialization of the new property type.

	* app/core/gimpcontext.c: implement the config interface, changed
	signal parameters and property types to use the new
	GIMP_TYPE_COLOR.

	* app/core/gimpmarshal.list: added a VOID__BOXED marshaller.

	* app/gui/menus.c
	* app/gui/test-commands.[ch]: some test code which (de)serializes
	the user context.