HIVE-5934 : Since tez has been released, we need to update version of tez used in hive-tez (Vikram Dixit K via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1547988 13f79535-47bb-0310-9956-ffa450edef68