HIVE-6537 NullPointerException when loading hashtable for MapJoin directly (Sergey Shelukhin and Navis, reviewed by Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1575353 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6555 : Fix metastore version in mysql script(Ashutosh Chauhan via Prasad Mujumdar)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1575380 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6417 : sql std auth - new users in admin role config should get added (Ashutosh Chauhan via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1575383 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6566: Incorrect union-all plan with map-joins on Tez (Gunther Hagleitner, reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1575393 13f79535-47bb-0310-9956-ffa450edef68