2009-02-11  Lucas Rocha  <lucasr@gnome.org>

	Bug 565063 – Avoid restarting applications when shutting down

	* gnome-session/gdm-signal-handler.[ch]
	(gdm_signal_handler_set_fatal_func): redefine this function to receive
	custom callback.
	* gnome-session/gsm-manager.[ch]: added gsm_manager_set_phase
	function.
	* gnome-session/main.c: set session manager phase to
	GSM_MANAGER_PHASE_EXIT when gnome-session process is shutting down.
	Patch by Brian Cameron.

svn path=/trunk/; revision=5243