Merge pull request #54 from nicklan/master

Set byte order on all buffers
test thrift 0.9
Make load under fs command and make underfsutil generic.
Fix some bugs and rename getChildren to list
move load-underfs to tachyon under command loadufs
Merge pull request #55 from calvinjia/master

Load underfs
format the script
consolidate runAllTests into tachyon script.
Consolidate all the start scripts into start.sh

- run bin/start.sh -h for usage