Adds ability to provide ping site for public connectivity and allows specifying Static IP range to use when -virtual and -no_dhcp are used
Adds ability to provide ping site for public connectivity and allows
specifying Static IP range to use when -virtual and -no_dhcp are used

New args:
 - ping_site, format: www.microsoft.com
 - static_ip_range, format: 192.168.1.1-192.168.1.30

smallen3/bgs_vagrant,trozet/bgs_vagrant