example usage: $ vagrant box list berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.3] berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.4] berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.5] related to issue #3313
example usage: $ vagrant box list berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.3] berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.4] berendt/ubuntu-14.04-amd64 (virtualbox) [0.1.5] related to issue #3313