TAJO-1196: Unit test hangs occasionally and randomly. (jihoon)
TAJO-1236: Remove slow 'new String' operation in parquet format. (jinho)

Closes #292
Updating outdated affiliations.
TAJO-1237: Fix missing maven-module for pullserver. (jinho)

Closes #293
TAJO-1235: ByteBufLineReader can not read text line with CRLF. (jinho)

Closes #289
TAJO-1238: Add SET SESSION and RESET statement.

Closes #294
TAJO-1143: TajoMaster, TajoWorker, and TajoClient should have diagnosis phase at startup

Closes #280
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/tajo into TAJO-1221
Removed unnecessary method.