Issue #315 (add bio and website to user page)
* enable profile edits
* provide place in user's home page for details to appear
<div class="mediagoblin_header_right">
{% if request.user %}
{{ request.user['username'] }}'s account
+ <a href="{{ request.urlgen('mediagoblin.user_pages.user_home',
+ user= request.user['username']) }}">home</a>
<a href="{{ request.urlgen('mediagoblin.user_pages.user_gallery',
user= request.user['username']) }}">gallery</a>
(<a href="{{ request.urlgen('mediagoblin.auth.logout') }}">logout</a>)