HIVE-5210: WebHCatJTShim implementations are missing Apache license headers (Jarek Jarcec Cecho via Brock Noland, Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1520697 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5204 : Change type compatibility methods to use PrimitiveCategory rather than TypeInfo (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1520707 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5182 : log more stuff via PerfLogger (Sergey Shelukhin via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1520711 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd