HIVE-5493 : duplicate jars with different versions for guava, commons-logging (Thejas Nair via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1530756 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5476: Authorization-provider tests fail in sequential run (Sushanth Sowmyan via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1530770 13f79535-47bb-0310-9956-ffa450edef68