* dbus/dbus-transport-unix.c (_dbus_transport_new_for_domain_socket)
	(_dbus_transport_new_for_tcp_socket): these didn't need the "server"
	argument since they are always client side

	* dbus/dbus-server.c (dbus_server_get_address): new function

	* bus/main.c (main): take the configuration file as an argument.

	* test/data/valid-config-files/debug-allow-all.conf: new file to
	use with dispatch.c tests for example

	* bus/test-main.c (main): require test data dir

	* bus/bus.c (bus_context_new): change this to take a
	configuration file name as argument

	* doc/config-file.txt (Elements): add <servicedir>

	* bus/system.conf, bus/session.conf: new files

	* dbus/dbus-bus.c (dbus_bus_get): look for system bus on
	well-known socket if none set

	* configure.in: create system.conf and session.conf