plataformatec/simple_form — pull request #936 by erichkist (2013-11-18 20:16:04+00:00)
Title: Add attribute for to label in collection extension

Fixes https://github.com/plataformatec/simple_form/issues/830

The motivation for this it's to add `for` attribute on `label` in `radio` collections to be valid in AA compliance (http://achecker.ca/checker/index.php).

Before:
```html

Blog

...

```

After:
```html

Blog

...

```

Thanks for @ulissesalmeida and @fabioyamate for the pair programming