Fixed loadufs exclude

We were searching the exclude path list with the underfsAddress
prepended to the path, which isn't how they were in the list.
Return low-level client API in case FileSystem users need it.
Fix for issue #111
Enable user input to override the web resources directory.
Merge pull request #125 from timothysc/tachyon-111

Fix for issue #111
Merge pull request #121 from manugoyal/master

Fixed loadufs exclude
sync under fs related doc, fixes et.
speedup unit tests
adding specific test for initialization of tachyon client through
FileSystem implementation and fix implementation
fixing indendation in pom
Updating documention with info how to run spark against fault tolerant tachyon
fixing documentation
Add a power-api for getting local filenames
Documentation
Added test case
More assertions
Add integration test over hdfs ufs.
redirect the stdout of tests to file
identation fix
Add an integration test for UnderfsUtil
Merge pull request #126 from elyast/master

TFS doesn't respect tachyon-ft scheme