HIVE-7087 : Remove lineage information after query completion (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1597919 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6313 : Minimr tests in hadoop-1 hangs on shutdown (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1597920 13f79535-47bb-0310-9956-ffa450edef68