[impdev] Windows build issues

[chris-tuchs at hushmail.com]

After a painful day of experiments using the redmond-wimp system 
(aka Microsoft Windows), I have been able to make meta-impy-bin.exe 
that in the embeded manifest list dependencies on both

name="Microsoft.VC80.CRT" version="8.0.50727.762"
name="Microsoft.VC80.CRT" version="8.0.50727.4053"

I naturally tried building with each (a matched set of 
Microsoft.VC80.CRT.manifest, and the dll's that go with it 
msvcp80.dll, msvcr80.dll).  But the result is the same: after 
installing, the binary won't run.

It looks like there are a number of dll's that require .4053, but 
(unless it's the wonderful-wimp-compiler Microsoft Visual C++ 2005 
Express Edition) I can't find how the .exe is getting dependencies 
on both.  I changed every place I could find to one state or the 
other (762 or 4053) but it makes no difference.

Chris