Add vpnc-scripts package with up-to-date script

Add vpnc-scripts package with up-to-date script

This removes the hard-coded masquerading configuration from vpnc-script.
It's possible to do it in a hook now, but it also shouldn't be necessary,
because we should be invoking the hotplug scripts to plumb the interface
properly anyway.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
SVN-Revision: 31558