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)
TAJO-804: Bump up Parquet version to 1.4.2. (hyunsik)
TAJO-806: CreateTableNode in CTAS uses a wrong schema as output schema and table schema. (hyunsik)
TAJO-797: Implicit type conversion support. (hyunsik)
TAJO-792: Insert table error with database name. (Hyoungjun Kim via hyunsik)
TAJO-605: Rename Options to KeyValueList. (jinho)
TAJO-795: PlannerUtil::joinJoinKeyForEachTable need to handle theta-join. (jaehwa)
TAJO-810: Update Tajo site for 0.8.0 release. (hyunsik)

This closes #5