Set default etcd deployment to docker

Improved docker reload command to wait for etcd to be
up before proceeding. Switched reload to run restart
because it can't reload if it is not guaranteed to be
in running state.

roles/network_plugin/calico/tasks/main.yml

@@ -38,8 +38,11 @@
   changed_when: false
 
 - name: Calico | wait for etcd
-  wait_for:
-    port: 2379
+  uri: url=http://localhost:2379/health
+  register: result
+  until: result.status == 200
+  retries: 10
+  delay: 5
   when: inventory_hostname in groups['kube-master']
 
 - name: Calico | Check if calico network pool has already been configured