rdmd for GDC

[Anders F Björklund]

> Not sure if this had already been done elsewhere,
> but here's a port of "rdmd" over to GDC and Unix:
> 
> http://www.algonet.se/~afb/d/rdmd.d
> (tested OK on Mac OS X using GDC 0.23)

I updated the above file (still called "version 1.2")
with a bugfix for Windows from DMD 0.176 / Bug #505:

http://www.algonet.se/~afb/d/rdmd-1.1-bug505.patch
http://d.puremagic.com/issues/show_bug.cgi?id=505

--anders