Pluton theme: RalfFallsIntoFoundation header and footer

Generated from design.html, cutting after:

<!-- Body -->
<section id="content"><div class="row">

Footer starts at:

</div></section>

So if you include a file with <p>Hello world!</p> that will give:

...
<!-- Body -->
<section id="content"><div class="row">

<p>Hello World!</p>

</div></section>
...