- [html] removed `apple-mobile-web-app-capable` meta-tag
- [html] switched jquery to protocol-less path
- [html] updated jQuery version
- [html][js] added jQuery fallback in case it couldn't be downloaded from CDN
- [html] updated comment
- [html][js] renamed `script.js` to `main.js`
- [html][js][misc] moved jQuery scripts into `vendor` folder