Steps for installing HoTT Coq and VIM on OSX
VIM: If you're using Vundle, get the plugin:
Bundle 'def-lkb/vimbufsync'
Bundle 'tbelaire/coquille'
Otherwise go to github.com/trefis/coquille and get it yourself. There is a dependancy on the vimbufsync plugin, so make sure to get that too.