Put handlebars `input` attrs on their own lines

* Previously, put args after 80 chars on a second line
* Spacing was confusing when reading through guide

Before:

![screen shot 2014-11-15 at 12 18 19 pm](https://cloud.githubusercontent.com/assets/601515/5059049/859d0208-6cc1-11e4-8512-4d84bc4cd1f8.png)

After:

![screen shot 2014-11-15 at 12 17 46 pm](https://cloud.githubusercontent.com/assets/601515/5059050/8bff94ee-6cc1-11e4-8c8d-f5474037ad78.png)