use hyperkube coreos image

roles/kubernetes/node/defaults/main.yml

@@ -35,8 +35,8 @@ kube_proxy_mode: iptables
 # for PetSets. Works for kube>=v1.3 only.
 kube_hostpath_dynamic_provisioner: "false"
 
-hyperkube_image_repo: "quay.io/smana/kubernetes-hyperkube"
-hyperkube_image_tag: "{{ kube_version }}"
+hyperkube_image_repo: "quay.io/coreos/hyperkube"
+hyperkube_image_tag: "{{ kube_version }}_coreos.0"
 
 # IP address of the DNS server.
 # Kubernetes will create a pod with several containers, serving as the DNS