New layout courtesy of Skeleton.

The files in the stylesheets directory are from Skeleton 1.2:

http://www.getskeleton.com/

The version I downloaded is commit number 7ab6820.

I lost some of the niceness of my previous layout, so there will be
further tweaking, but this is a good go!
Better layout.

At least it looks good in Chrome. We'll see how responsive it is
when it gets onto a server.