Modified the implementation of the avatar tag to look for an attribute 'user_profile' on the user object. If present, this is assumed to be the profile. This improves the performance of the member list and some forum views.

{% extends 'base.html' %}
{% block custom_css %}
<link rel="stylesheet" type="text/css" href="{{ STATIC_URL }}css/bio.css" />
{% block bio_css %}{% endblock %}
{% endblock %}
{% block content %}
{% endblock %}