Add integration bridge to the nova.conf

This is needed when running the compute service with
vSphere as virt backend, and Neutron as networking
solution.

Fixes bug #1200677

Change-Id: Iff01559be437d1409c13224574458d23a1edd1a4
diff --git a/stack.sh b/stack.sh
index c4f7944..530b7b7 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1080,7 +1080,9 @@
         iniset $NOVA_CONF DEFAULT vmwareapi_host_username "$VMWAREAPI_USER"
         iniset $NOVA_CONF DEFAULT vmwareapi_host_password "$VMWAREAPI_PASSWORD"
         iniset $NOVA_CONF DEFAULT vmwareapi_cluster_name "$VMWAREAPI_CLUSTER"
-
+        if is_service_enabled neutron; then
+            iniset $NOVA_CONF vmware integration_bridge $OVS_BRIDGE
+        fi
 
     # fake
     # ----