Added User Pages, which you can now display galleries on. Also detected

duplicate submissions.
Made an absolute mess of routes, but I think I've fixed them all now.
Removed all url.current() calls because they don't seem to work, though
I'm not sure if that's because I added explicit=True or not.  I'm wary
of them anyhow after reading
http://pylonsbook.com/en/1.0/urls-routing-and-dispatch.html#route-memory