[reSIProcate] Mutex.cpp and RecursiveMutex.cpp Implementation s for Win32

[david Butcher]

Quoting Scott Godin <slgodin at icescape.com>:

> I did a quick search and it looks like RecursiveMutex is not used anywhere
> in the stack anyway.
> 

RecursiveMutex was proposed (but sadly not implemented) for dealing with
recursive logging. Recursive logging now asserts. This is better than
deadlocking, but actually logging recursively would be much more useful.

david