add cni plugins for k8s 1.3.5+

Change-Id: I12efa7a9e84d69a96d51fd38d8efbc9367c4b8e7
diff --git a/tests/pillar/pool_cluster.sls b/tests/pillar/pool_cluster.sls
index d58a25d..f639738 100644
--- a/tests/pillar/pool_cluster.sls
+++ b/tests/pillar/pool_cluster.sls
@@ -46,3 +46,6 @@
           port: 4001
     hyperkube:
       hash: hnsj0XqABgrSww7Nqo7UVTSZLJUt2XRd
+    cni:
+      version: v0.3.0
+      hash: 58237532e1b2b1be1fb3d12457da85f5
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