changed the handler404 and handler500 to a custom view, passing scope to get proper formed urls when displaying 404 and 500 pages
{% extends "base.html" %}
{% block content %}
<h1>Important dates</h1>
<div class="entry">
<p><ul class="entry">
<li>October 26, 2011, Wednesday: Abstracts Due</li>
<li>October 31, 2011, Monday: Schedule announced</li>
<li>November 21, 2011, Monday: Proceedings paper submission due</li>
<li>December 4-5, 2011, Sunday-Monday: Conference</li>
<li>December 6-7 2011, Tuesday-Wednesday: Tutorials/Sprints</li>
</ul></p>
</div>
{% endblock content %}