GDC release 0.21

[Alexander Panek]

David Friedman wrote:
> http://sourceforge.net/project/showfiles.php?group_id=154306
> 
>   * Updated to DMD 1.00
>   * Fixed Bugzilla 695, 696, 737, 738, 739, 742, 743, 745
>   * Implemented GCC extended assembler
>   * Implemented basic support for GCC attributes
> 
> See the included GDC.html and the GCC manual for information about the 
> GCC extensions.

Woohoo!