Merge branch 'master' into JDK7_OSX
Changes to Fix Comments

1) Fixes Formatting Issues, Changed Editor to make line length to be
100 Characters and reformatted files
2) Added Unit Tests for NetUtils.Java
3) Added License Header
4) Changed NetUtils to return unknownLocalHost &
unknownLocalHostaddress instead of throwing Socket & UnknownHost
Exceptions
Fixex K++ to K ++
Formatting Issues fixes

Formatting could be a problem in these files as well.
Checking in to ensure File Formats are restored back to
standards

TFSShellTest, LocalTachyonMultiMaster, LocalTachyonCluster,
UnderFileSystemSingleLocal
Reverting to Original Comments length

Reverting to Original Comments length for Log4jFileAppender
Merge branch 'JDK7_OSX'