add more TachyonURI unit tests
Add comments and format the code

Add comments to package tachyon.worker and format the code.
Merge pull request #263 from PasaLab/comment-worker

Add comments to package tachyon.worker
minor tweak tachyon.worker package
better loging to jenkins
Fix extra space from hadoop- env.sh to hadoop-env.sh in mapreduce doc.
Merge pull request #264 from hsaputra/fix_extra_space_in_hdfs_doc

Fix extra space from hadoop- env.sh to hadoop-env.sh in mapreduce doc.
use hadoop service loading to load filesystems
complying with formating guides
added javadocs
more formating
on mac if java home is set use it
logging for jenkins
Merge branch 'master' of github.com:amplab/tachyon
add more logging to LocalTachyonClusterMultiMaster
glusterfs also respects java home for mac
Update README.md
Merge pull request #266 from dcapwell/feature/javahome

on mac if java home is set use it
updated based off coding standards
Merge branch 'master' into feature/service-loader