wip on the mac
Add ability to install apps and unix packages
Default to bash highlighting when ft:sh
Merge branch 'master' of github.com:prognostikos/dotfiles

* 'master' of github.com:prognostikos/dotfiles:
  Add alias for `git checkout -b`
  Update sparkup code & config to use double-quotes for attrs
  Add eunuch.vim - more tpope awesomeness
  We want the cursor change even if the terminal isn't 100% sure it's in ITERM
  If we're sshed into a machine that has tmux, use it.
  Preferring dark BG lately
Fix auto-attach to tmux sessions