Refactor k8s system level.

This change defines all required images and common definitions.

Change-Id: I78676dd8c4ff7ec9f91a8c44ef18088ac0c7097a
diff --git a/kubernetes/master/cluster.yml b/kubernetes/master/cluster.yml
index 6d6b404..199537f 100644
--- a/kubernetes/master/cluster.yml
+++ b/kubernetes/master/cluster.yml
@@ -3,20 +3,10 @@
 - service.haproxy.proxy.single
 - system.haproxy.proxy.listen.kubernetes.apiserver
 - system.keepalived.cluster.instance.kube_api_server_vip
+- system.kubernetes.common
 parameters:
-  _param:
-    kubernetes_netchecker_agent_repo: mirantis
-    kubernetes_netchecker_server_repo: mirantis
-    kubernetes_netchecker_agent_image: ${_param:kubernetes_netchecker_agent_repo}/k8s-netchecker-agent:v1.2.2
-    kubernetes_netchecker_server_image: ${_param:kubernetes_netchecker_server_repo}/k8s-netchecker-server:v1.2.2
-
-    kubelet_fail_on_swap: true
-
   kubernetes:
     master:
-      kubelet:
-        fail_on_swap: ${_param:kubelet_fail_on_swap}
-      container: false
       network:
         calico:
           prometheus: