HIVE-3723 : Hive Driver leaks ZooKeeper connections (Gunther Hagleitner via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1414278 13f79535-47bb-0310-9956-ffa450edef68
Set version to 0.9.0-amplab-3
Merge pull request #9 from mbautin/shark-0.9

Pull in HIVE-3723 (ZooKeeper connection leak fix)