Improve option page rendering

Hi,

I've made some updates on the option page, to:
 - Fit a better way to bootstrap default template
 - Add an option All / None on every project line
 - Avoid caching issues

Here is a preview:
![demo](https://cloud.githubusercontent.com/assets/752030/3481557/c441200a-0373-11e4-8e51-8a55ed85002d.jpg)

-- Bruno
`ok` and `ko` are a little confusing naming.
I think `all` and `none` are more better.