Merge pull request #1045 from bradbeam/vsphere

inventory/group_vars/all.yml

...tes/master/templates/manifests/kube-apiserver.manifest.j2

...r/templates/manifests/kube-controller-manager.manifest.j2

roles/kubernetes/node/templates/kubelet.j2

roles/kubernetes/preinstall/defaults/main.yml

roles/kubernetes/preinstall/tasks/main.yml

.../kubernetes/preinstall/tasks/vsphere-credential-check.yml

...s/kubernetes/preinstall/templates/vsphere-cloud-config.j2