TAJO-385: Refactoring TaskScheduler to assign multiple fragments. (jihoon)
TAJO-464: Rename the name 'partition', actually meaning shuffle to 'shuffle'. (hyunsik)
TAJO-469: CTAS with no column definition will get  a NPE. (Min Zhou via hyunsik)
TAJO-470: Fetcher's finished time and file length is changed in WEB UI. (hyoungjunkim via hyunsik)
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into REVIEW_SCRIPT
Fixed.
Fixed bug.
Fixed some bug.
TAJO-479: Rename obsolete name 'partition' to 'shuffle and fix the broken taskdetail.jsp.
TAJO-476: Add a test development kit for unit tests based on executions of queries.
TAJO-471: Extract ColumnPartitonUtils class for ColumnPartition rewrite. (DaeMyung Kang via hyunsik)
TAJO-433: Improve integration with Hive. (jaehwa)
TAJO-484: Fix bug [: !=: unary operator expected when execute start-tajo.sh. (DaeMyung Kang via jihoon)
TAJO-474: Add query admin utility. (DaeMyung Kang via hyunsik)
TAJO-438: Date literal support. (Jae Young Lee via jihoon)
TAJO-483: Add getParentCount(), getParents(), getParent() functions to DirectedGraph. (jihoon)
TAJO-477: Rename killQuery of QMClientProtocol to closeQuery.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into REVIEW_SCRIPT