Tue Nov 28 00:45:55 2000  George Lebl <jirka@5z.com>

	* applet.c, distribution.c, foobar-widget.c, gnome-run.c,
	  launcher.c, main.c, menu-fentry.[ch], panel-util.[ch],
	  menu-properties.c, menu-rh.c, menu-util.c, menu.c,
	  panel-widget.c, panel.c, session.c, swallow.c:  Check for
	  try execs on menu reread so that we notice newly installed
	  software.  Might have to make this whole checking thing an
	  option for people on slower machines.  Also put in routines
	  stolen from gnome-libs head for checking for programs and file
	  existance as they are faster.