Fixed issue with the removal of a reserved URL and added support for Windows versions before NetSH.

Fixed issue with the removal of a reserved URL and added support for
Windows versions before NetSH. Current code is attempting to remove the
reservation immediately after starting when this should be done upon
stopping.
Merge pull request #810 from KevinHoward/master

Fixed issue with the removal of a reserved URL and added support for Windows versions before NetSH.