Added wifi alias from
http://brettterpstra.com/2014/02/15/quick-tip-automating-you-macs-wifi-power/
Merge branch 'master' of github.com:zanshin/dotfiles

* 'master' of github.com:zanshin/dotfiles:
  Added Chef plug-in to ST2.
  Added Control-P bundle.
  Altered settings for zsh auto-correct.
  cleaned up vimrc