* Refactor doc in server.js & generate.js
* Refactor finding metadata with find() & avoid param reassign
* Refactor replacing markdown link to html + add test
* Minify func to getFile & add test
* use ./ for md link as well
* nits & better test
* better mdToHtmlify
* babel-register on versions & write-translations to transpile ES6 in server/env.js
* better docs test & move out metadata to fixtures
* Update .babelrc
