* components/loser/README: Added missing `crash' mode to docs.

	* src/nautilus-view-frame.c: (nautilus_view_frame_destroy_client,
	nautilus_view_frame_handle_client_destroy,
	nautilus_view_frame_handle_client_gone, check_if_view_is_gone):
	Added calls to `bonobo_window_deregister_dead_components' to clean
	up menus and toolbars from dead components, fixing Nautilus bug
	1740.