Wed Apr 19 00:05:46 2000  George Lebl <jirka@5z.com>

	* menu.[ch], foobar-widget.c: create_root_menu can work on an
	  existing menu, there is a menu_needs_reread function and in
  	  foobar we use that to reread the menu instead of
  	  submenu_to_display.  also very minor cleanup