Detect EC2 using UUIDs on Windows as well as Linux
Detect EC2 using UUIDs on Windows as well as Linux

This is actually how Amazon recommends doing it. It works no matter how the VM was built.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

chef/ohai,jaymzh/ohai,mattray/ohai,higanworks/ohai,chef/ohai,jseely/ohai,higanworks/ohai,jseely/ohai,mattray/ohai,jaymzh/ohai