Merge pull request #2229 from whereismyjetpack/etcd-quorum-read

--etcd-quorum-read is depricated in kube >= 1.9

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -30,7 +30,9 @@ spec:
     - apiserver
     - --advertise-address={{ ip | default(ansible_default_ipv4.address) }}
     - --etcd-servers={{ etcd_access_addresses }}
+{%   if kube_version | version_compare('v1.9', '<')  %}
     - --etcd-quorum-read=true
+{% endif %}
     - --etcd-cafile={{ etcd_cert_dir }}/ca.pem
     - --etcd-certfile={{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem
     - --etcd-keyfile={{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem