scambra/devise_invitable — pull request #497 by DamirSvrtan (2014-08-28 10:53:25+00:00)
Title: Use f.button :submit on simple_form templates to get the btn class.

Adds a 'btn' css class to the submit input if one is using Simple Form.

E.g. turns:

```html

```

to this:

```html

```

It makes a nice bootstrap styled button. Devise also does this in it's simple form for generators.