add note to FAQ for internet requirement - license
add note to FAQ for internet requirement - license

Vagrant requires internet access
chrisroberts/vagrant,mitchellh/vagrant,bryson/vagrant,marxarelli/vagrant,gitebra/vagrant,sni/vagrant,sni/vagrant,chrisroberts/vagrant,mitchellh/vagrant,marxarelli/vagrant,sni/vagrant,marxarelli/vagrant,gitebra/vagrant,bryson/vagrant,marxarelli/vagrant,mitchellh/vagrant,chrisroberts/vagrant,bryson/vagrant,bryson/vagrant,mitchellh/vagrant,sni/vagrant,gitebra/vagrant,gitebra/vagrant,chrisroberts/vagrant