Do a better job switching between branches
Update test to include dirty tree switching
Update fixtures for refrerences.git
Remove sample hooks
Abstract branch creation into one concise function
:fire: everything that's not necessary
Use waitsFor/runs when exec'ing git commands

/cc @gjtorikian
Debug Travis and log out command output
Add user.name/email to config
:lipstick:
Merge pull request #9 from atom/safe-checkout

Provide a safer (and cleaner) checkout system