[OpenAFS] Automated loopback adapter adding Redux

[Ben Creech]

I redid my work using Dobes Vandermeer's code.  The MSI now calls a Dll, 
which can also be invoked at command-line via RunDll32.  Also, it accepts 
parameters:
<http://www.eos.ncsu.edu/wolfcall/loopback/>

Man, is WMI ugly in C++ or what.