dmd 1.067 and 2.052 release

[Jesse Phillips]

Documentation isn't updated to include std.datetime and core.time.

Walter Bright Wrote:

> Now with 64 bit Linux support! (Though expect problems with it, it's brand new.)
> 
> 
> http://www.digitalmars.com/d/1.0/changelog.html
> http://ftp.digitalmars.com/dmd.1.067.zip
> 
> http://www.digitalmars.com/d/2.0/changelog.html
> http://ftp.digitalmars.com/dmd.2.052.zip