> var sites = require("./index")
> sites
[Function]
> sites(console.log)
> null { doc: '/home/josh/dev/blacksmith-sites/sites/doc',
blog: '/home/josh/dev/blacksmith-sites/sites/blog' }
git clone git@github.com:flatiron/blacksmith-sites.git
Callback has signature (err, result) where 'result' is paths and keys.
MIT/X11.