D web site facelift

[Walter Bright]

Michel Fortin wrote:
> The problem is that the translator strips the line breaks. But that's 
> still an improvement over the older "translated" code, where half the 
> identifiers are changed, braces are changed to parenthesis and some 
> newlines are removed randomly.
> 
> I suggest you add <code> anyway. At least this way Google can improve 
> their translator engine and it'll then work fine.

Makes sense.