basic rbac support

docs/vars.md

roles/kubernetes-apps/ansible/defaults/main.yml

roles/kubernetes-apps/ansible/tasks/main.yml

...apps/ansible/templates/kubedns-autoscaler-clusterrole.yml

...sible/templates/kubedns-autoscaler-clusterrolebinding.yml

...bernetes-apps/ansible/templates/kubedns-autoscaler-sa.yml

.../kubernetes-apps/ansible/templates/kubedns-autoscaler.yml

roles/kubernetes-apps/ansible/templates/kubedns-deploy.yml

roles/kubernetes-apps/ansible/templates/kubedns-sa.yml

roles/kubernetes-apps/helm/tasks/main.yml

...ernetes-apps/helm/templates/tiller-clusterrolebinding.yml

roles/kubernetes-apps/helm/templates/tiller-sa.yml

roles/kubernetes/master/defaults/main.yml

roles/kubernetes/master/tasks/main.yml

...ster/templates/kube-controller-manager-kubeconfig.yaml.j2

...rnetes/master/templates/kube-scheduler-kubeconfig.yaml.j2

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

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

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

roles/kubernetes/node/tasks/install.yml