Merge "Add support for deploying ZooKeeper"

ansible/group_vars/all.yml

ansible/inventory/all-in-one

ansible/inventory/multinode

ansible/roles/common/tasks/config.yml

...ommon/templates/conf/filter/00-record_transformer.conf.j2

...le/roles/common/templates/conf/input/06-zookeeper.conf.j2

...e/roles/common/templates/cron-logrotate-zookeeper.conf.j2

ansible/roles/common/templates/cron.json.j2

ansible/roles/common/templates/fluentd.json.j2

ansible/roles/zookeeper/defaults/main.yml

ansible/roles/zookeeper/handlers/main.yml

ansible/roles/zookeeper/meta/main.yml

ansible/roles/zookeeper/tasks/check.yml

ansible/roles/zookeeper/tasks/config.yml

ansible/roles/zookeeper/tasks/deploy.yml

ansible/roles/zookeeper/tasks/main.yml

ansible/roles/zookeeper/tasks/precheck.yml

ansible/roles/zookeeper/tasks/pull.yml

ansible/roles/zookeeper/tasks/reconfigure.yml

ansible/roles/zookeeper/tasks/upgrade.yml