add a option to ignore the vagrantfile packaged with the box
add a option to ignore the vagrantfile packaged with the box

mitchellh/vagrant,marxarelli/vagrant,mitchellh/vagrant,sni/vagrant,marxarelli/vagrant,mitchellh/vagrant,chrisroberts/vagrant,gitebra/vagrant,chrisroberts/vagrant,mitchellh/vagrant,sni/vagrant,gitebra/vagrant,bryson/vagrant,chrisroberts/vagrant,marxarelli/vagrant,marxarelli/vagrant,chrisroberts/vagrant,bryson/vagrant,bryson/vagrant,bryson/vagrant,sni/vagrant,gitebra/vagrant,sni/vagrant,gitebra/vagrant