* dbus/Makefile.am: Add dbus-timeout.[cħ]

	* dbus/dbus-connection.c: (_dbus_connection_new_for_transport):
	Create a DBusTimeoutList.
	(dbus_connection_set_timeout_functions): Add new function to
	set timeout callbacks

	* dbus/dbus-connection.h: Add public DBusTimeout API.

	* dbus/dbus-message.c: (dbus_message_get_service):
	* dbus/dbus-message.h:	New function.

	* dbus/dbus-server.c: Fix small doc typo.

	* dbus/dbus-timeout.[ch]: New files for mainloop timeouts.