HIVE-8781: Nullsafe joins are busted on Tez (Gunther Hagleitner, reviewed by Prasanth J)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1637489 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8760: Pass a copy of HiveConf to hooks (Gunther Hagleitner, reviewed by Gopal V)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1637496 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8772 : zookeeper info logs are always printed from beeline with service discovery mode (Thejas Nair, reviewed by Vaibhav Gumashta)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1637505 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8782: HBase handler doesn't compile with hadoop-1 (Jimmy Xiang, reviewed by Xuefu and Sergey)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1637521 13f79535-47bb-0310-9956-ffa450edef68