* test/glib/test-dbus-glib.c (main): fix so this test doesn't fail
	(call dbus_g_proxy_add_signal)

	* dbus/dbus-server-unix.c (_dbus_server_new_for_tcp_socket):
	escape the hostname
	(_dbus_server_new_for_domain_socket): escape the path

	* dbus/dbus-address.c (dbus_address_escape_value): new
	(dbus_address_unescape_value): new
	(dbus_parse_address): unescape values

	* dbus/dbus-string.c (_dbus_string_append_byte_as_hex): new function

	* doc/dbus-specification.xml: explain how to escape values in
	addresses