Update service on static route changes

Update service state so that any property changes are reflected.
This does not relaunch the service VMs but only updates the properties
that have changed (in this case interface static routes)

Change-Id: I1b49be6bc159dab962f002c1f134cf45dc41fe41
Closes-Bug: #1479283

src/config/svc-monitor/svc_monitor/svc_monitor.py

@@ -259,6 +259,7 @@ def _vnc_subscribe_actions(self, oper_info):
         for si_id in dependency_tracker.resources.get('service_instance', []):
             si = ServiceInstanceSM.get(si_id)
             if si:
+                si.state = 'launch'
                 self._create_service_instance(si)
             else:
                 for vm_id in dependency_tracker.resources.get(