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 title %}My Talks{% endblock %}
{% block content %}
<h1>Slides for Download</h1>
<h2>Conference Talks</h2>
<p>
<a href="/static/files/conference-talks.zip">
Click here to download
</a>
</p><br />
<h2>Tutorials(Slides, circulate and other materials)</h2>
<p>
<a href="/static/files/tutorials.zip">
Click here to download
</a>
</p>
{% endblock content %}