HIVE-7001 : fs.permissions.umask-mode is getting unset when Session is started (Thejas Nair, reviewed by Ashutosh Chauhan, Vikram Dixit)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1592013 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6946 : Make it easier to run WebHCat e2e tests (Eugene Koifman via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1592025 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6828: Hive tez bucket map join conversion interferes with map join conversion (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1592100 13f79535-47bb-0310-9956-ffa450edef68