Bug/flannel cni binary install

[davidmccormick]

Apologies! Here's a fix for legacy flannel missing cni binaries bug introduced by pull request #1195

Fixes issue - #1232

[codecov-io]

Codecov Report

Merging #1235 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1235   +/-   ##
=======================================
  Coverage   36.56%   36.56%           
=======================================
  Files          63       63           
  Lines        3878     3878           
=======================================
  Hits         1418     1418           
  Misses       2242     2242           
  Partials      218      218

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[ktateish]

I confirmed pods in the clusters created with this branch can come up properly. Thanks!

$ kubectl get pods --all-namespaces
NAMESPACE     NAME                                                READY     STATUS    RESTARTS   AGE
kube-system   heapster-7f977f75f7-jkjr4                           2/2       Running   0          5m
kube-system   kube-apiserver-ip-10-0-0-94.ec2.internal            1/1       Running   0          10m
kube-system   kube-controller-manager-ip-10-0-0-94.ec2.internal   1/1       Running   0          10m
kube-system   kube-dns-autoscaler-c895d6bbd-vjjq6                 1/1       Running   0          11m
kube-system   kube-dns-d87fdd65-96mnt                             3/3       Running   0          11m
kube-system   kube-dns-d87fdd65-fchdc                             3/3       Running   0          5m
kube-system   kube-proxy-ldswh                                    1/1       Running   0          11m
kube-system   kube-proxy-xjvkl                                    1/1       Running   0          5m
kube-system   kube-scheduler-ip-10-0-0-94.ec2.internal            1/1       Running   0          10m
kube-system   kubernetes-dashboard-6ff488bcdd-ddsjq               1/1       Running   0          11m
kube-system   tiller-deploy-54df45d89c-6trs6                      1/1       Running   0          11m

[mumoshu]

LGTM. Thanks everyone for your supports ☺️