2003-05-08  Michael Natterer  <mitch@gimp.org>

	* app/core/gimplayer.[ch]: removed "linked" member and API...

	* app/core/gimpitem.[ch]: ...and added it here.

	* app/core/core-enums.[ch]
	* app/core/gimpimage-undo-push.[ch]: changed layer_linked undo
	types and functions to be item_linked ones.

	* app/tools/gimpeditselectiontool.c
	* app/xcf/xcf-load.c
	* app/xcf/xcf-save.c
	* tools/pdbgen/pdb/layer.pdb: changed accordingly.

	* app/pdb/layer_cmds.c: regenerated.

	* app/widgets/gimplayertreeview.[ch]: removed "linked" icon and
	functions...

	* app/widgets/gimpitemtreeview.[ch]: and added them here. Setting
	channels or vectors to "linked" does nothing yet.