TAJO-200: RCFile compatible to apache hive. (jinho)
TAJO-320: Visualize Tajo statemachine. (Min Zhou via hyunsik)
TAJO-321: Invalid split file of compressed text file. (jinho)
TAJO-322: Documentation by version. (hyunsik)
TAJO-322: Documentation by version. (fixed missing licenses)
TAJO-296: Late registration of Tajo workers. (hyoungjunkim via hyunsik)
TAJO-326: In ExecutionBlock, isRoot() and isLeafBlock() return invalid values. (jihoon)
Fixed wrong links and improved downloads page.
Removed obsolete files and improved source code page.
TAJO-325: QueryState.NEW and QueryState.INIT should be combined into one state. (Min Zhou via hyunsik)