Update installation.html.md
Update installation.html.md
sni/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,bryson/vagrant,bryson/vagrant,marxarelli/vagrant,gitebra/vagrant,marxarelli/vagrant,chrisroberts/vagrant,sni/vagrant,gitebra/vagrant,bryson/vagrant,marxarelli/vagrant,marxarelli/vagrant,mitchellh/vagrant,gitebra/vagrant,bryson/vagrant,mitchellh/vagrant,sni/vagrant,mitchellh/vagrant,gitebra/vagrant,chrisroberts/vagrant,mitchellh/vagrant,sni/vagrant