Release: MinGW GCC 4.6.1 GDC 1.070/2,.055

[Daniel Green]

Updated binaries.
https://bitbucket.org/goshawk/gdc/downloads/gcc-4.6.1-tdm-1-gdc-7e22befef29c-20111210.7z

  * GDC now targets i686 processors.  Was targeting i386 which required 
substituting functions for atomic instructions.

I will release MinGW64 binaries soon then work on updating to tip and 
changing the default compiler to D2.

-Daniel