TAJO-158: Can't allocate worker when single SubQuery requests more than cluster capacity. (hyoungjunkim via hyunsik)
TAJO-159: QueryMaster cannot connect the remote CatalogServer. (hyunsik)
TAJO-80: Remove codes of legacy data paths. (jihoon)
TAJO-152: The tajo local directory path is mismatched in PullServer. (jihoon)
TAJO-149: Eliminate QueryConf and its file write. (hyunsik)
TAJO-154: Query calculates wrong progress in multiple step queries. (hyunsik)
TAJO-167: Implement GeneralSetFunctionExpr to represent all SQL standard set functions. (hyunsik)
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)
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)
TAJO-181: Improvement of disk scheduler policy for straggler disk. (hyoungjunkim via hyunsik)