update the tachyon-env.sh template for 0.3.0
Merge pull request #55 from calvinjia/master

Load underfs
format the script
update the Mac OS X ramdisk location
Merge branch 'master' of git://github.com/amplab/tachyon
consolidate runAllTests into tachyon script.
Consolidate all the start scripts into start.sh

- run bin/start.sh -h for usage
Fix start.sh spacing
Typo and if line fix
Merge pull request #52 from cybermaster/master

update the tachyon-env.sh template for 0.3.0
Merge pull request #56 from nicklan/master

Consolidate all the start scripts into start.sh
improve scripts