SDL interface reorg checked in

[Stan Shebs]

Erik Sigra wrote:
> 
> Now I had better luch with sdlconq. I even saw it opening a window.
> Unfortunately it was removed immediately and the konsole shows:
> 
> Warning: Could not load cursor "cursor-pointer".
> Error: could not open SDL small_font.

This would happen if XCONQLIB were not set or if you didn't supply
a -L that pointed to a library.  I suppose we could add a hack to
look in ../images in addition to standard library places...

Stan