HIVE-5522: Move split generation into the AM (Siddharth Seth via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1532168 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5544: Print task totals instead of percentages on Tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1532188 13f79535-47bb-0310-9956-ffa450edef68