TAJO-786: TajoDataMetaDatabase::getSchemas creates invalid MetaDataTuple.
TAJO-783: Remove yarn-related code from tajo-core. (hyunsik)
TAJO-787: FilterPushDownRule::visitSubQuery does not consider aliased columns. (jaehwa)
TAJO-788: Update Tajo documentation and README, and BUILDING. (hyunsik)
TAJO-517: Publish Tajo jar to a public maven repository. (hyunsik)
TAJO-734: Arrange TajoCli output message. (hyoungjunkim via jihoon)
Changed version in master branch to 0.9.0-SNAPSHOT.
TAJO-761: Implements INTERVAL type. (Hyoungjun Kim via hyunsik)
TAJO-758: Supports parameter values in the SQL file. (Hyoungjun Kim via hyunsik)
TAJO-766: Test failures in TestExecExternalShellCommand. (jihoon)
TAJO-789: Improve shuffle URI. (jinho)
TAJO-802: No partition columns in WEB catalog page. (Hyoungjun Kim via hyunsik)
TAJO-799: Local query without FROM throws IllegalArgumentException in CLI (Hyoungjun Kim via hyunsik)
TAJO-805: Multiple constant in selection emits some columns. (Hyoungjun Kim via hyunsik)
TAJO-617: Rename BIN/tajo_dump BIN/tajo-dump. (jinho)
TAJO-425: RAWFILE_SYNC_INTERVAL has not default value. (jinho)
TAJO-780: Implements ADD_MONTHS() function. (Hyoungjun Kim via hyunsik)
Revert "TAJO-780: Implements ADD_MONTHS() function. (Hyoungjun Kim via hyunsik)"

This reverts commit 698ff73344a20bd9ccf89d01cf1566dce21f1147.
TAJO-790: Implements ADD_MONTHS() function. (Hyoungjun Kim via hyunsik)
TAJO-791: Implements ADD_DAYS() function (Hyoungjun Kim via hyunsik)