HIVE-5517 : Implement end-to-end tests for vectorized string and math functions, and casts (Eric Hanson via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1533106 13f79535-47bb-0310-9956-ffa450edef68
Updating release notes with 0.12 release

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1533172 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5525: Vectorized query failing for partitioned tables. (Jitendra Nath Pandey via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1533303 13f79535-47bb-0310-9956-ffa450edef68
Merge latest trunk into branch. (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1533306 13f79535-47bb-0310-9956-ffa450edef68