Add etcd TLS support

roles/download/defaults/main.yml

roles/etcd/defaults/main.yml

roles/etcd/files/make-ssl-etcd.sh

roles/etcd/handlers/main.yml

roles/etcd/tasks/check_certs.yml

roles/etcd/tasks/gen_certs.yml

roles/etcd/tasks/main.yml

roles/etcd/tasks/pre_upgrade.yml

roles/etcd/templates/deb-etcd-docker.initd.j2

roles/etcd/templates/etcd-docker.service.j2

roles/etcd/templates/etcd.j2

roles/etcd/templates/openssl.conf.j2

...es-apps/ansible/templates/calico-policy-controller.yml.j2

roles/kubernetes/master/defaults/main.yml

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

roles/kubernetes/node/templates/cni-calico.conf.j2

roles/kubernetes/preinstall/tasks/set_facts.yml

roles/network_plugin/calico/defaults/main.yml

roles/network_plugin/calico/tasks/main.yml

roles/network_plugin/calico/templates/calicoctl-container.j2