Refactor k8s network section definitions. Calico part

In this patch all calico related parameters are moved to
'network.calico' subsection.

Also added small fixes for deployment.

Change-Id: I32882487455f47c84a87511e384be32e9ed42622
diff --git a/metadata/service/pool/cluster.yml b/metadata/service/pool/cluster.yml
index 173690c..cc5bec7 100644
--- a/metadata/service/pool/cluster.yml
+++ b/metadata/service/pool/cluster.yml
@@ -37,12 +37,12 @@
         kube_proxy: ${_param:kubernetes_kube-proxy_token}
       ca: kubernetes
       network:
-        hash: 77169cdadb80a5e33e9d9fe093ed0d99
-        etcd:
-          members:
-          - host: ${_param:cluster_node01_address}
-            port: 4001
-          - host: ${_param:cluster_node02_address}
-            port: 4001
-          - host: ${_param:cluster_node03_address}
-            port: 4001
+        calico:
+          etcd:
+            members:
+            - host: ${_param:cluster_node01_address}
+              port: 4001
+            - host: ${_param:cluster_node02_address}
+              port: 4001
+            - host: ${_param:cluster_node03_address}
+              port: 4001