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* 'master' of https://github.com/kubernetes/kubernetes.github.io: bump openstack cli tools versions to working values fix header size for sub-sections under Services Finish #4036 Be more specific about cpu-shares passed to Docker (#4016) Clarify the required uniqueness of Label Key Add --show-all to documentation docs(service): remove invalid `,` from example Add "remove" example for kubectl patch (#4042) Fix wrong link to create a ConfigMap Fix a typo in the High Availability docs (#4048) Remove ports from ExternalName Service example remove extra that update kops installation instructions