https://releases.hashicorp.com/vagrant/1.8.4/vagrant_1.8.4.dmg
chef-client version: 12.14.57 delivery version: master (d86679335580be3de22996ef294b20d525889d8d) berks version: 5.0.0 kitchen version: 1.12.0
https://packages.chef.io/stable/mac_os_x/10.11/chefdk-0.18.26-1.dmg
http://download.virtualbox.org/virtualbox/5.0.26/VirtualBox-5.0.26-108824-OSX.dmg