Add web SSO w/shiboleth

Change-Id: I3d297d8a660dc6ea7bda81df21b9ed5a44c26616
diff --git a/keystone/server/cluster.yml b/keystone/server/cluster.yml
index 6db4f7a..f077faf 100644
--- a/keystone/server/cluster.yml
+++ b/keystone/server/cluster.yml
@@ -41,3 +41,6 @@
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         ha_queues: true
+      auth_methods:
+      - password
+      - token