HIVE-6636 : /user/hive is a bad default for HDFS jars path for Tez (Sergey Shelukhin, reviewed by Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1577627 13f79535-47bb-0310-9956-ffa450edef68