HIVE-7931 : Convert all tabs to spaces [code cleanup] (Lars Francke via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622060 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7352 : Queries without tables fail under Tez (Gunther Hagleitner via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622065 13f79535-47bb-0310-9956-ffa450edef68