Deploy with custom region

This patch updates default openstack_region to CustomRegion
to make sure we support this case.

Change-Id: I04235dffa77f0e1cab17dc5a8d818b27cbf578be
diff --git a/classes/cluster/virtual-mcp11-aio-telemetry/openstack/init.yml b/classes/cluster/virtual-mcp11-aio-telemetry/openstack/init.yml
index 5b7810b..74bf13b 100755
--- a/classes/cluster/virtual-mcp11-aio-telemetry/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-aio-telemetry/openstack/init.yml
@@ -83,11 +83,13 @@
           enabled: ${_param:rabbitmq_ssl_enabled}
   ceilometer:
     server:
+      region: ${_param:openstack_region}
       message_queue:
         port: ${_param:rabbitmq_port}
         ssl:
           enabled: ${_param:rabbitmq_ssl_enabled}
     agent:
+      region: ${_param:openstack_region}
       polling:
         sources:
           default_pollsters: