Merge "Introduce /etc/timezone to Debian/Ubuntu containers"

ansible/roles/aodh/defaults/main.yml

ansible/roles/barbican/defaults/main.yml

ansible/roles/blazar/defaults/main.yml

ansible/roles/ceilometer/defaults/main.yml

ansible/roles/chrony/defaults/main.yml

ansible/roles/cinder/defaults/main.yml

ansible/roles/cloudkitty/defaults/main.yml

ansible/roles/collectd/defaults/main.yml

ansible/roles/common/defaults/main.yml

ansible/roles/congress/defaults/main.yml

ansible/roles/cyborg/defaults/main.yml

ansible/roles/designate/defaults/main.yml

ansible/roles/elasticsearch/defaults/main.yml

ansible/roles/etcd/defaults/main.yml

ansible/roles/freezer/defaults/main.yml

ansible/roles/glance/defaults/main.yml

ansible/roles/gnocchi/defaults/main.yml

ansible/roles/grafana/defaults/main.yml

ansible/roles/haproxy/defaults/main.yml

ansible/roles/heat/defaults/main.yml