Does way more than it says it does, making this only work for proxies with Utrecht Uni.
Edit: The problem is it automatically appends "." to the prefix and automatically dons the Utrecht postfix when that configuration field is empty. I'll publish a fork a that works soon.
What exactly does this add-on do? I think it might be usful, but cant see any discernable change. Maybe some examples and a better writeup that that it uses the proxy details of "Utercht university" would be good.
