Licence

[Walter Bright]

Georg Wrede wrote:
> 
> So that (1) we wouldn't have to explain licencing details once a week to 
> somebody new, and (2) hordes of people wouldn't turn away thinking "aw, 
> this licensing stuff seems [expletive]", I suggest that Walter put a 
> statement right on the D main page.

I think it's a good idea, and this needs to be done. It's also a good 
draft of what it should be.