Added Senlin

Change-Id: I523d9b583305e2459135e3bbb0e442592c9d74fd
diff --git a/playbooks/openstack.yml b/playbooks/openstack.yml
index 31d0a04..e005549 100644
--- a/playbooks/openstack.yml
+++ b/playbooks/openstack.yml
@@ -96,6 +96,10 @@
       tags:
         - openstack-helm-nova
 
+    - role: openstack_helm_senlin
+      tags:
+        - openstack-helm-senlin
+
     - role: openstack_helm_heat
       tags:
         - openstack-helm-heat