TAJO-101: HiveQL converter (jaehwa)
TAJO-170: mvn compile error when building tar file. (jaehwa)
TAJO-170: mvn compile error when building tar file. (jaehwa)
TAJO-170: mvn compile error when building tar file. (jaehwa)
TAJO-174: SQL error handler sometimes occurred NPE. (jinho)
TAJO-172: TajoWorker allocate wrong container slots.(jinho)
TAJO-171: BitArray always returned false. (jinho)
TAJO-177: Call by reference bug in MergeJoinExec. (jihoon)
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into trunk-cdh-4_3_0
Pre-applied TAJO-180
TAJO-180: Better error messages for StorageManager.listStatus$InvalidInputException. (hyunsik)
TAJO-168: infinite loop occurs when QueryMaster is stopping. (jinho)
TAJO-178: Implements StorageManager for scanning asynchronously. (hyoungjunkim via hyunsik)
TAJO-178: Implements StorageManager for scanning asynchronously. (only fixed CHANGES.txt)
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into master-cdh_4_3_0

Conflicts:
	tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/rm/YarnTajoResourceManager.java
	tajo-core/tajo-core-storage/src/main/java/org/apache/tajo/storage/StorageManager.java
Applied TAJO-119.
TAJO-181: Improvement of disk scheduler policy for straggler disk. (hyoungjunkim via hyunsik)
TAJO-119: Refactor and Improve Datum. (jinho)
TAJO-184: Refactor GlobalPlanner and global plan data structure. (hyunsik)
TAJO-183: Creating too many TableMetaProto objects might lead a potential memory leak. (jihoon)