Add Scott Jehl's enhance.js to help with performance.
Remove @font-face from style.css and separate to fonts.css file to be loaded async via enhance.js
Add customized inlined enhance.js to head to async load fonts.css, app.js, and (sometimes) swipe.js.
Remove app.js and (sometimes) swipe.js and add call for fonts.css via noscript.
Merge branch 'content' of github.com:vesterheim/vesterheim.github.io into develop