[COOK-2809] Add Windows support

http://tickets.opscode.com/browse/COOK-2809

Added Windows support to the Opscode Python cookbook. Installs on 32bit or 64bit using the standard Windows MSI.

The following recipes all do the same thing on Windows:
python::default
python::package
python::windows

All other recipes or LWRPs in this cookbook are unsupported on Windows.