Merge pull request #1071 from vijaykatam/atomic_host

Vagrantfile

docs/atomic.md

docs/vars.md

roles/bootstrap-os/tasks/main.yml

roles/docker/tasks/main.yml

roles/docker/tasks/systemd.yml

roles/docker/templates/docker-dns.conf.j2

roles/docker/templates/docker-options.conf.j2

roles/docker/templates/docker_atomic.service.j2

roles/etcd/meta/main.yml

roles/kernel-upgrade/tasks/main.yml

...ubernetes/node/templates/manifests/kube-proxy.manifest.j2

roles/kubernetes/preinstall/meta/main.yml

roles/kubernetes/preinstall/tasks/main.yml

roles/kubernetes/preinstall/tasks/set_facts.yml