sorin-ionescu/prezto — pull request #600 by tough-griff (2014-05-02 19:27:48+00:00)
Title: Add homebrew-cask aliases to homebrew module

I've started using [homebrew-cask](https://github.com/phinze/homebrew-cask) extensively to install native Mac apps, and these changes make the new `brew cask` commands mirror the existing homebrew aliases.