Install calico-plugin before running calico

roles/network_plugin/tasks/main.yml

@@ -2,7 +2,7 @@
 - name: "Test if network plugin is defined"
   fail: msg="ERROR, One network_plugin variable must be defined (Flannel or Calico)"
   when: ( kube_network_plugin is defined and kube_network_plugin == "calico" and kube_network_plugin == "flannel" ) or
-        kube_network_plugin is not defined 
+        kube_network_plugin is not defined
 
 - name: Write network-environment
   template: src=network-environment.j2 dest=/etc/network-environment mode=640