[annashipman] OSX default: scroll direction
[annashipman] Add Python and iTerm
Bumping boxen to 1.1.2

Because of this https://github.com/boxen/boxen/pull/81, which addresses the
fact that GitHub now enforce the User Agent header for all API requests:
http://developer.github.com/changes/2013-04-24-user-agent-required/