Fixing #175; add an auto-subscribe and auto-favorite forum topic feature. Added 2 flags to the user profile. Added 2 functions that are called on the post post-save signal that auto-favorite and auto-subscribe the post creator if they have requested this service.

<div class="smiley_farm">
{% for s in smilies %}
<img src="{{ s.image.url }}" alt="{{ s.code }}" title="{{ s.title }} {{ s.code }}" />
{% endfor %}
</div>