Ohai support for Windows

[Adam Jacob <adam@opscode.com>]

A big thanks to James Gartrell, who got Ohai running on Windows.

His changes are merged in the ospcode/ohai windows branch.

The changes involve modifications to run_command to utilize systemu
rather than popen4 (as systemu is cross platform) along with a host of
others.  Currently, there are 22 failing tests on this branch, which
is likely a sign of test fragility more than broken functionality, as
far as my cursory glance showed.

Please add your experiences to:

http://tickets.opscode.com/browse/OHAI-65

Regards,
Adam

-- 
Opscode, Inc.
Adam Jacob, CTO
T: (206) 508-4759 E: adam@opscode.com