Update kube-flannel.yml to use 0.7.1 flannel image

Documentation/kube-flannel.yml

@@ -55,7 +55,7 @@ spec:
       serviceAccountName: flannel
       containers:
       - name: kube-flannel
-        image: quay.io/coreos/flannel:v0.7.0-amd64
+        image: quay.io/coreos/flannel:v0.7.1-amd64
         command: [ "/opt/bin/flanneld", "--ip-masq", "--kube-subnet-mgr" ]
         securityContext:
           privileged: true
@@ -74,7 +74,7 @@ spec:
         - name: flannel-cfg
           mountPath: /etc/kube-flannel/
       - name: install-cni
-        image: quay.io/coreos/flannel:v0.7.0-amd64
+        image: quay.io/coreos/flannel:v0.7.1-amd64
         command: [ "/bin/sh", "-c", "set -e -x; cp -f /etc/kube-flannel/cni-conf.json /etc/cni/net.d/10-flannel.conf; while true; do sleep 3600; done" ]
         volumeMounts:
         - name: cni