plataformatec/show_for — pull request #60 by caarlos0 (2013-03-26 04:44:09+00:00)
Title: Fix the show_tag_class option, that wasnt been added to the tag classes.

show_for was ignoring options like:

```ruby
config.show_for_class = 'dl-horizontal'
```

This PR should fix that.

Anyway, my code doesn't look good enough... I'm accepting suggestions.

Thanks.