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)