fix registry addon labels

In a last-minute fix, I accidentally changed the pod labels all to
the minikube add-on reconciliation mode label instead of the add-on
name. This is causing the registry service to be unable to forward
requests over to the pods due to mismatched label selectors.

cmd/minikube/cmd/start.go

@@ -293,7 +293,7 @@ func init() {
 	startCmd.Flags().StringArrayVar(&dockerOpt, "docker-opt", nil, "Specify arbitrary flags to pass to the Docker daemon. (format: key=value)")
 	startCmd.Flags().String(apiServerName, constants.APIServerName, "The apiserver name which is used in the generated certificate for localkube/kubernetes.  This can be used if you want to make the apiserver available from outside the machine")
 	startCmd.Flags().String(dnsDomain, constants.ClusterDNSDomain, "The cluster dns domain name used in the kubernetes cluster")
-	startCmd.Flags().StringSliceVar(&insecureRegistry, "insecure-registry", []string{constants.DefaultInsecureRegistry}, "Insecure Docker registries to pass to the Docker daemon")
+	startCmd.Flags().StringSliceVar(&insecureRegistry, "insecure-registry", []string{pkgutil.DefaultInsecureRegistry}, "Insecure Docker registries to pass to the Docker daemon")
 	startCmd.Flags().StringSliceVar(&registryMirror, "registry-mirror", nil, "Registry mirrors to pass to the Docker daemon")
 	startCmd.Flags().String(kubernetesVersion, constants.DefaultKubernetesVersion, "The kubernetes version that the minikube VM will use (ex: v1.2.3) \n OR a URI which contains a localkube binary (ex: https://storage.googleapis.com/minikube/k8sReleases/v1.3.0/localkube-linux-amd64)")
 	startCmd.Flags().String(containerRuntime, "", "The container runtime to be used")

deploy/addons/registry/registry-rc.yaml

@@ -9,10 +9,11 @@ metadata:
 spec:
   replicas: 1
   selector:
-    addonmanager.kubernetes.io/mode: Reconcile
+    kubernetes.io/minikube-addons: registry
   template:
     metadata:
       labels:
+        kubernetes.io/minikube-addons: registry
         addonmanager.kubernetes.io/mode: Reconcile
     spec:
       containers: