Improve default vagrant disk name
Improve default vagrant disk name

marxarelli/vagrant,mitchellh/vagrant,marxarelli/vagrant,sni/vagrant,mitchellh/vagrant,chrisroberts/vagrant,marxarelli/vagrant,mitchellh/vagrant,marxarelli/vagrant,sni/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,mitchellh/vagrant,sni/vagrant,chrisroberts/vagrant,sni/vagrant