nfv labs fixes

Change-Id: I8a677cfde623d0da405d0e34ee4356390b7512ff
diff --git a/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml b/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
index 18ed62a..f10813b 100755
--- a/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-contrail-nfv/openstack/init.yml
@@ -1,6 +1,6 @@
 parameters:
   _param:
-    openstack_version: newton
+    openstack_version: ocata
     apt_mk_version: nightly
     openstack_region: RegionOne
     admin_email: root@localhost