Add check for empty String for the local directory in addition to null.
Add logging to detect why return null.
[TACHYON-149] Limit data server threads for testing and inlining chmod stream handling
refactor stdout/err redirecting
Merge pull request #460 from dcapwell/lessTestResources

[TACHYON-149] Less test resources
format
Fix dependecy issue introduced by #455
Merge pull request #464 from dcapwell/fixDependencies

Fix dependecy issue introduced by #455
made examples callable and added the error handling to a function
Merge pull request #465 from dcapwell/exampleRewrite

made examples callable and added the error handling to a function
format
change path in StorageDir from String to TachyonURI
remove deprecation  in DataServerHandler
Merge pull request #468 from shimingfei/PathToTachyonURI

change path in StorageDir from String to TachyonURI
Merge pull request #469 from jinntrance/removeDeprecation

remove deprecation  in DataServerHandler
Should not overwrite previous $CLASSPATH

Minor change to pom.xml file
(cherry picked from commit afecdfc)

Minor change to pom.xml file

made examples callable and added the error handling to a function

format

change path in StorageDir from String to TachyonURI
rename WorkerSpaceCounter to SpaceCounter
Merge pull request #463 from pfxuan/maven

Minor change to pom.xml file
Merge pull request #470 from shimingfei/RenameWorkerSpaceCounter-new

rename WorkerSpaceCounter to SpaceCounter
wrong param name in comment
turned off krb so mac users using java 7 can run tests