HIVE-8167 : mvn install command broken by HIVE8126 commit (Deepesh Khandelwal via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1626031 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8139 - Upgrade commons-lang from 2.4 to 2.6 (Prasad via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1626042 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8142: Add merge operators to queryplan.thrift instead of generated source file (Prasanth J reviewed by Gunther Hagleitner)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1626043 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7457: Minor HCatalog Pig Adapter test clean up (David Chen via Jason Dere)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1626093 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8081: "drop index if exists" fails if table specified does not exist (Jason Dere, reviewed by Thejas Nair)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1626095 13f79535-47bb-0310-9956-ffa450edef68