Changes to make zookeeper gem available in all the worker nodes which will enable making ZK api calls
Fix for issue #294 and other clean-ups related to ZK installation
Merge pull request #336 from bijugs/fix_issue_294

Fix for issue #294 and other clean-ups related to ZK installation
Changes to control the restart of HDFS datanode so that all the datanodes are not down at the sametime
Merge pull request #333 from bijugs/dn_rolling_restart

Changes to perform rolling restart of HDFS datanode
Changes to allow Kafka set-up to be able to use existing Hadoop ZooKeeper quorum
Fix for issue #346