Add insecure option to heat's heat client

When using ssl with self signed cert, wait condition should
be sent with insecure option. As cert is not trusted on instance
side.

Change-Id: I5f5809c01feac5d56f9f3564368c7dcc624ac92f
Related-Prod: PROD-19827
diff --git a/classes/cluster/virtual-mcp-pike-dvr-ssl-barbican/openstack/control.yml b/classes/cluster/virtual-mcp-pike-dvr-ssl-barbican/openstack/control.yml
index eefbe5c..c9c41a8 100644
--- a/classes/cluster/virtual-mcp-pike-dvr-ssl-barbican/openstack/control.yml
+++ b/classes/cluster/virtual-mcp-pike-dvr-ssl-barbican/openstack/control.yml
@@ -265,6 +265,11 @@
         port: ${_param:rabbitmq_port}
         ssl:
           enabled: ${_param:rabbitmq_ssl_enabled}
+      # Since we using self signed cert not present in images, we have to
+      # use insecure option when sending signal to wait condition from instance.
+      clients:
+        heat:
+          insecure: true
   neutron:
     server:
       bind: