make writetype of tachyonfile configurable
move configuration from CommonConf to UserConf
add doc for the patch
Merge pull request #454 from shimingfei/WriteTypeConfig

make writetype of tachyonfile configurable, and format code
more documents
Add dependencies required by TestDFSIO with Hadoop 1.0.4 in local mode
Refine maven configuration
Change dependency scope. Thanks @haoyuan !
Merge pull request #455 from pfxuan/tachyon-170

Fix TACHYON-170: add required dependecies when running TestDFSIO with Hadoop 1.0.4 in local mode