dmd 1.061 and 2.046 release

[Walter Bright]

This is to fix the spell corrector speed problems and several forward reference 
bugs.

http://www.digitalmars.com/d/1.0/changelog.html
http://ftp.digitalmars.com/dmd.1.061.zip

http://www.digitalmars.com/d/2.0/changelog.html
http://ftp.digitalmars.com/dmd.2.046.zip