adds photo credit to art piece photos

Fixes #173 
Yes. I think so.


On Thu, Sep 4, 2014 at 1:28 PM, Trey Terrell <notifications@github.com>
wrote:

> In app/views/catalog/_carousel.html.erb:
>
> > @@ -5,6 +5,9 @@
> >          <a href="<%= photo %>" id="photo-<%= index %>" data-toggle="lightbox" data-gallery="multiimages" data-parent=".carousel-inner">
> >            <%= image_tag photo %>
> >          </a>
> > +        <div class="carousel-caption">
> > +          <p><%= Array.wrap(document["art_piece_photo_credit_sms"]).at(index) %></p>
>
> Is there a way to test that these show up on the carousel?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/osulp/OSU-Art-Walk/pull/182/files#r17139852>.
>