Fixing #230; add a scrollbar to the PM popup dialog if necessary. This wasn't as easy as I thought. Had to wrap the PM text in a div with its styling (max-height and overflow). If I then resized the dialog, I'd get two scrollbars. So for now, made the dialog non-resizable.

{% extends 'weblinks/base.html' %}
{% block title %}Web Links: {{ link.title }}{% endblock %}
{% block weblinks_content %}
<h3>Link Details: {{ link.title }}</h3>
<dl>
{% include 'weblinks/link.html' %}
</dl>
{% endblock %}