HIVE-6575: select * fails on parquet table with map datatype (Szehon via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576832 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6495 : TableDesc.getDeserializer() should use correct classloader when calling Class.forName() (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576833 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6568: Vectorized cast of decimal to string and timestamp produces incorrect result (jitendra reviewed by Eric Hanson)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576854 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6457: Ensure Parquet integration has good error messages for data types not supported (Brock via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576858 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6538 : yet another annoying exception in test logs (Szehon Ho, reviewed by Sergey Shelukhin)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576892 13f79535-47bb-0310-9956-ffa450edef68