Merge "Add chrony ansible role"

ansible/group_vars/all.yml

ansible/inventory/all-in-one

ansible/inventory/multinode

ansible/roles/chrony/defaults/main.yml

ansible/roles/chrony/handlers/main.yml

ansible/roles/chrony/meta/main.yml

ansible/roles/chrony/tasks/config.yml

ansible/roles/chrony/tasks/deploy.yml

ansible/roles/chrony/tasks/main.yml

ansible/roles/chrony/tasks/precheck.yml

ansible/roles/chrony/tasks/pull.yml

ansible/roles/chrony/tasks/reconfigure.yml

ansible/roles/chrony/tasks/upgrade.yml

ansible/roles/chrony/templates/chrony.conf.j2

ansible/roles/chrony/templates/chrony.json.j2

ansible/site.yml

etc/kolla/globals.yml