Hide Sequence Nav if only 1 item

@stvstnfrd & @jrbl - care to look this over so it can go out this week?
I agree with @stvstnfrd about the spacing to minimize the diff size.


On Tue, Jul 22, 2014 at 11:42 AM, Giulio Gratta <notifications@github.com>
wrote:

> In lms/templates/seq_module.html:
>
> > -           id="tab_${idx}"
> > -           tabindex="0"
> > -           role="tab">
> > -            <p aria-hidden="false">${item['title']}</p>
> > -          </a>
> > -        </li>
> > -        % endfor
> > -      </ol>
> > -    </div>
> > -
> > -    <ul class="sequence-nav-buttons">
> > -      <li class="next"><a role="button" href="#">${_("Next")}</a></li>
> > -    </ul>
> > -  </nav>
> > +  % if items_len > 1:
> > +    <nav class="sequence-nav">
>
> @stvstnfrd <https://github.com/stvstnfrd> - this is for us only. .org is
> revamping sequence nag in fall.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/Stanford-Online/edx-platform/pull/77/files#r15247257>.
>