Thu Oct 19 15:20:51 2006 John Ellis <johne@verizon.net>

Thu Oct 19 15:20:51 2006  John Ellis  <johne@verizon.net>

        * image.c, typedefs.h: Add ALTER_DESATURATE alteration type.
        * img-view.c, layout_image.c, layout_util.c, menu.c: Allow to grayscale
        the display of current image with [Shift]+[G] kyboard shortcut and
        'adjust' submenu item.
        * pixbuf_util.[ch] (pixbuf_desaturate_rect): Implement grayscale
        function.