Limit the Protocol Buffers to use 2.4.1 version for now.
TAJO-1: RCFileWrapper always reads whole columns regardless of the target schema (jihoonson via hyunsik)
TAJO-6: Rename tajo.engine.function.builtin.NewSumInt to SumInt (rsumbaly)
TAJO-2: remove all @author tags and update license header (hyunsik)
TAJO-4: Update the project site (hyunsik)
TAJO-11: Update file README to reflect Apache incubation (hyunsik)
TAJO-10 Add derby.log to gitignore
Update CHANGES.txt for TAJO-10
fix for TAJO-12: Add information in README on how to subscribe to mailing lists
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo
TAJO-17: Improve the examples for jvm version and auxiliary service in getting_started.apt (hyunsik)
TAJO-13: Update the groupId property in the pom.xml to use ASF org instead of kr.ac.korea.dbserver
TAJO-8: MapReduce's ShuffleHandler and Tajo's PullServerAuxService conflict each other
TAJO-15: The Integration test is getting hanged on Mac OS X. (hyunsik)
TAJO-27: Modify the document links to point the wiki's ones. (hyunsik)
TAJO-21: CREATE EXTERNAL TABLE should support a file path (JaeHwa Jung)
TAJO-32: Cleanup TaskRunner. (hyunsik)
TAJO-33: Implement a basic query progress indicator. (hyunsik)
TAJO-38 Update class comment in TaskAttemptContext from Korean to English
TAJO-38 Update CHANGES.txt file.