[plt-scheme] splash screen

Okay, I usually work on a Macintosh, but when I just brought up v301
(under Windows) the splash screen was a black and white image of a
lambda on top of a five pointed star. I don't think I've ever seen that before.

===
Gregory Woodhouse  <gregory.woodhouse at sbcglobal.net>
"All truth passes through three stages: First, it is ridiculed.
Second, it is violently opposed. Third, it is accepted as
being self-evident."
--Arthur Schopenhauer