fix: set heapster Deployment to EnsureExists to prevent heapster-nann…

…… (#295)

* fix: set heapster Deployment to EnsureExists to prevent heapster-nanny-induced pod thrashing

* fix: actually change the Deployment spec

parts/k8s/containeraddons/kubernetesmasteraddons-heapster-deployment.yaml

@@ -91,7 +91,7 @@ metadata:
   labels:
     k8s-app: heapster
     kubernetes.io/cluster-service: "true"
-    addonmanager.kubernetes.io/mode: Reconcile
+    addonmanager.kubernetes.io/mode: EnsureExists
 spec:
   replicas: 1
   selector: