Windows: Add Vista/Win7 Firewall Configuration

Windows: Add Vista/Win7 Firewall Configuration

Make use of the INetFwPolicy2 COM interface to configure
the Vista/Win7 firewall for all network profile types.

Reviewed-on: http://gerrit.openafs.org/5812
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>
(cherry picked from commit b15b4b15822bee87720bb0d78c2ce54051180339)

Change-Id: I3022b2480c7c7273e819d0a10c092f22f4af3800
Reviewed-on: http://gerrit.openafs.org/6044
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>