Changes in Kubernetes and Calico-CNI plugin config files

required for usage of Calico CNI plugin version 1.4.2

roles/kubernetes/node/templates/cni-calico.conf.j2

 {
   "name": "calico-k8s-network",
   "type": "calico",
-  "etcd_authority": "{{ etcd_authority }}",
   "log_level": "info",
   "ipam": {
     "type": "calico-ipam"
+  },
+  "kubernetes": {
+    "kubeconfig": "{{ kube_config_dir }}/node-kubeconfig.yaml"
   }
 }

roles/kubernetes/node/templates/node-kubeconfig.yaml.j2

@@ -4,6 +4,7 @@ clusters:
 - name: local
   cluster:
     certificate-authority: {{ kube_cert_dir }}/ca.pem
+    server: http://127.0.0.1:8080
 users:
 - name: kubelet
   user: