TAJO-1006: Measuring the query execution time

https://dbserver.korea.ac.kr/jira/browse/TAJO-1006
Merge pull request #92 from hyunsik/TAJO-1006

TAJO-1006: Measuring the query execution time
TAJO-1007: Resource starvation during the integrating unit test

https://dbserver.korea.ac.kr/jira/browse/TAJO-1007
Merge pull request #93 from hyunsik/TAJO-1007

TAJO-1007: Resource starvation during the integrating unit test
TAJO-1008: Implement a parser rule for an etl statement.

https://dbserver.korea.ac.kr/jira/browse/TAJO-1008
Merge pull request #94 from hyunsik/TAJO-1008

TAJO-1008: Implement a parser rule for an etl statement.
Removed a deprecated README file.
TAJO-1009: Improve CREATE TABLE statement for ETL

https://dbserver.korea.ac.kr/jira/browse/TAJO-1009
Merge pull request #95 from hyunsik/TAJO-1009_PC

TAJO-1009: Improve CREATE TABLE statement for ETL
TAJO-927: Implement ETL feature to load external data onto Tajo storage system

https://dbserver.korea.ac.kr/jira/browse/TAJO-927
Merge pull request #96 from hyunsik/TAJO-927

TAJO-927: Implement ETL feature to load external data onto Tajo storage ...
TAJO-1010: Support the Trevni columnar storage

https://dbserver.korea.ac.kr/jira/browse/TAJO-1010
Merge pull request #97 from hyunsik/TAJO-1010_PC

TAJO-1010: Support the Trevni columnar storage
TAJO-1011: Missing 'break clause' in RCFileWrapper.Scanner

https://dbserver.korea.ac.kr/jira/browse/TAJO-1011
TAJO-1013: Remove legacy classes and rename classes named temporarily

https://dbserver.korea.ac.kr/jira/browse/TAJO-1013
Add README file.
Merge pull request #98 from hyunsik/TAJO-1011

TAJO-1011: Missing 'break clause' in RCFileWrapper.Scanner
Merge pull request #99 from hyunsik/TAJO-1013

TAJO-1013: Remove legacy classes and rename classes named temporarily
TAJO-1015: RCFileWrapper.Scanner's projection is incorrect

https://dbserver.korea.ac.kr/jira/browse/TAJO-1015
Merge pull request #101 from hyunsik/TAJO-1015_PC

TAJO-1015: RCFileWrapper.Scanner's projection is incorrect