switch to .vmdk for virtualbox
fix to save .vmdk files
add vagrant public ssh key
setup sudoers
disable UseDNS in sshd
tweak LESS
we can live without knowing what the kiwi output looks like

It's just one more thing to maintain.
add OVF file for admin appliance

This was generated manually in VirtualBox and then exported as OVF.
add metadata.json
metadata.json: change vdisk size to 16GB
import Vagrantfile created via `vagrant package`
box/Vagrantfile: add comment about fixing second MAC address
automate building of boxes from vmdk built by kiwi
initial stab at a multi-VM Vagrantfile for the whole cloud
add mysterious box metadata which isn't metadata.json

This is as described at http://docs.vagrantup.com/v2/boxes/format.html
but the nature of this file is still unclear:

  https://github.com/mitchellh/vagrant/issues/3613

So I'm not yet sure what we need this for, if anything.