gemspec: drop rubyforge_project, it is EOL
gemspec: drop rubyforge_project, it is EOL
chrisroberts/vagrant,chrisroberts/vagrant,gitebra/vagrant,mitchellh/vagrant,mitchellh/vagrant,marxarelli/vagrant,marxarelli/vagrant,sni/vagrant,marxarelli/vagrant,chrisroberts/vagrant,gitebra/vagrant,marxarelli/vagrant,gitebra/vagrant,sni/vagrant,chrisroberts/vagrant,mitchellh/vagrant,sni/vagrant,gitebra/vagrant,sni/vagrant,mitchellh/vagrant