dmd 1.074 and 2.059 release

[Walter Bright]

Another big pile of bug fixes. More contributors than ever!

http://www.digitalmars.com/d/1.0/changelog.html
http://ftp.digitalmars.com/dmd.1.074.zip

http://www.digitalmars.com/d/2.0/changelog.html
https://github.com/downloads/D-Programming-Language/dmd/dmd.2.059.zip

Note that the changelogs on dlang.org haven't been updated yet. Hope to get that 
done soon.