TAJO-995: HiveMetaStoreClient wrapper should retry the connection
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo
TAJO-1062: Update TSQL documentation
Update tsql documentation.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo into TAJO-1062
Update some typos
Rename back_command.rst
Use "Tajo" instead of "tajo"
Update some comments.
TAJO-1072: CLI gets stuck when wrong host/port is provided. (Jihun Kang via hyunsik)

Closes #169
TAJO-1065: The \admin -cluster argument doesn't run as expected. (Jongyoung Park via hyunsik)

Closes #173
TAJO-1030: Not supported JDBC APIs should return empty results instead of Exception. (Hyoungjun Kim via hyunsik)

Closes #145
TAJO-668: Add datetime function documentation. (Jongyoung Park via hyunsik)

Closes #160