Integrate jetstack/cert-manager 0.2.3 to Kubespray

inventory/sample/group_vars/k8s-cluster.yml

roles/download/defaults/main.yml

roles/etcd/defaults/main.yml

...kubernetes-apps/ingress_controller/cert_manager/README.md

...es-apps/ingress_controller/cert_manager/defaults/main.yml

...netes-apps/ingress_controller/cert_manager/tasks/main.yml

...ert_manager/templates/cert-manager-certificate-crd.yml.j2

...t_manager/templates/cert-manager-clusterissuer-crd.yml.j2

...er/cert_manager/templates/cert-manager-clusterrole.yml.j2

..._manager/templates/cert-manager-clusterrolebinding.yml.j2

...troller/cert_manager/templates/cert-manager-deploy.yml.j2

...ler/cert_manager/templates/cert-manager-issuer-crd.yml.j2

..._controller/cert_manager/templates/cert-manager-ns.yml.j2

..._controller/cert_manager/templates/cert-manager-sa.yml.j2

roles/kubernetes-apps/ingress_controller/meta/main.yml

roles/kubernetes/master/defaults/main.yml

roles/kubespray-defaults/defaults/main.yaml

roles/network_plugin/calico/defaults/main.yml

tests/files/gce_centos7-flannel-addons.yml