[admin] project proposals: Alpaca, Hansa2

[Nikodemus Siivola]

> Alpaca and Hansa2 are both written in Common Lisp.
>
> Would common-lisp.net like to host these projects? If so, I'd be
> interested in moving them over from Sourceforge.

Pending license information, I approve.

Cheers,

 -- Nikodemus