CORD-1841 updating keystone charm version

Change-Id: I5d00cfcafd284d8a5129807b19617f87b9d0e4a1
diff --git a/profile_manifests/mcord.yml b/profile_manifests/mcord.yml
index 710cabb..ff9c35c 100644
--- a/profile_manifests/mcord.yml
+++ b/profile_manifests/mcord.yml
@@ -170,7 +170,7 @@
   ceilometer: "cs:trusty/ceilometer-17"
   ceilometer-agent: "cs:trusty/ceilometer-agent-13"
   glance: "cs:trusty/glance-28"
-  keystone: "cs:trusty/keystone-33"
+  keystone: "cs:trusty/keystone-267"
   mongodb: "cs:trusty/mongodb-33"
   percona-cluster: "cs:trusty/percona-cluster-31"
   nagios: "cs:trusty/nagios-10"