Merge "Specify 'become' for only neccesary tasks (all other roles)"

ansible/roles/aodh/tasks/config.yml

ansible/roles/barbican/tasks/config.yml

ansible/roles/bifrost/tasks/config.yml

ansible/roles/ceilometer/tasks/config.yml

ansible/roles/ceph/tasks/config.yml

ansible/roles/ceph/tasks/distribute_keyrings.yml

ansible/roles/ceph/tasks/start_osds.yml

ansible/roles/chrony/tasks/config.yml

ansible/roles/cinder/tasks/ceph.yml

ansible/roles/cinder/tasks/config.yml

ansible/roles/cinder/tasks/external_ceph.yml

ansible/roles/cloudkitty/tasks/config.yml

ansible/roles/collectd/tasks/config.yml

ansible/roles/congress/tasks/config.yml

ansible/roles/designate/tasks/config.yml

ansible/roles/elasticsearch/tasks/config.yml

ansible/roles/etcd/tasks/config.yml

ansible/roles/freezer/tasks/config.yml

ansible/roles/gnocchi/tasks/config.yml

ansible/roles/grafana/tasks/config.yml