dmd 1.075 and 2.060 release

[Piotr Szturmaj]

Walter Bright wrote:
> Another big pile of bug fixes. More contributors than ever!
>
> http://www.digitalmars.com/d/1.0/changelog.html
> http://ftp.digitalmars.com/dmd.1.075.zip
>
> http://www.digitalmars.com/d/2.0/changelog.html
> https://github.com/downloads/D-Programming-Language/dmd/dmd.2.060.zip

It's nice to see it's getting better and better. Good work!