HIVE-5894 - Fix minor PTest2 issues (Brock Noland)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1546086 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5886 : [Refactor] Remove unused class JobCloseFeedback (Ashutosh Chauhan via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1546089 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5876 : Split elimination in ORC breaks for partitioned tables (Prasanth J via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1546090 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5817 : column name to index mapping in VectorizationContext is broken (Remus Rusanu, Sergey Shelukhin via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1546104 13f79535-47bb-0310-9956-ffa450edef68