dmd 1.046 and 2.031 releases

[Walter Bright]

Leandro Lucarella wrote:
> I incidentally went through all the D2 bug reports that had being fixed in
> this release and I was really surprised about how much of them had patches
> by Don (the vast majority!).

Don's an awesome contributor. I and the rest of the D community are very 
much indebted to him.

> Thanks Don! I think it's great that more people are becoming major
> D contributors.
>