HIVE-7868 - AvroSerDe error handling could be improved (Ferdinand Xu via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1631892 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8374 - schematool fails on Postgres versions < 9.2 (Mohit Sabharwal via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1631893 13f79535-47bb-0310-9956-ffa450edef68