WL#2951: Enable creation of minidump files for Windows binaries

We can improve our chances of debugging crashes at customer sites by having our
binaries generate mini dump files during a crash.

A url that discusses how this works and provides some code that may help in
implementation is
http://www.codeproject.com/debug/postmortemdebug_standalone1.asp?df=100&forumid=3419&exp=0&select=924608