Fix etcd standalone deployment

etcd facts are generated in kubernetes/preinstall, so etcd nodes need
to be evaluated first before the rest of the deployment.

Moved several directory facts from kubernetes/node to
kubernetes/preinstall because they are not backward dependent.

roles/etcd/meta/main.yml

@@ -8,3 +8,4 @@ dependencies:
     when: etcd_deployment_type == "host"
   - role: docker
     when: (ansible_os_family != "CoreOS" and etcd_deployment_type == "docker")
+  - role: "kubernetes/preinstall"