dmd 1.060 and 2.045 release

[Walter Bright]

Robert Clipsham wrote:
> Still a long way to go though, various (much!) smaller issues that need 
> fixing... If no one else gets to them I'll go on a debug fixing spree at 
> some point in a couple of months and see if we can't get bug #4044 
> (debugging tracker) closed :)

I agree that getting all the gdb issues sorted out will be a nice win.