[aquaria] Unofficial PSP port

[Ryan C. Gordon]

> I should mention that I'm not trying to sneak out of all the hard work;
> I just don't want to flood the list with patches that might not be
> appropriate for icculus. (:  If you'd prefer, Ryan, I can wrap up each
> branch as a single changeset for you to commit -- let me know!

I'm definitely going to want some of your patches, if not all of them. I 
need to sort through it all, though.

--ryan.