sso_server: bind to 0.0.0.0 by default

debian/ai-sso-server.init

@@ -35,7 +35,7 @@ test ${NO_START} -eq 1 && exit 0
 
 GUNICORN_OPTS="
 --log-config=/etc/sso/logging.conf
---bind 127.0.0.1:${SSO_PORT}
+--bind 0.0.0.0:${SSO_PORT}
 --worker-class gevent
 --daemon --pid ${PIDFILE}
 --name ${NAME}