component/component — pull request #319 by yields (2013-05-03 11:00:56+00:00)
Title: add .demo

the way it works is if you have say:

```json
{
"repo": "component/swipe",
"demo": "gh-pages"
}
```

it will automatically show https://component.github.io/swipe/index.html, otherwise it just shows whatever is in `.demo`, if it's missing it just outputs `none`.