README-recipe.sh: how-to restart DevStack services; Vagrant vbguest plugin; simplified the Py 'virtualenv' set-up; desktop ~/.ssh/config for 'devstack'
Vagrantfile: use Puppetlabs Ubuntu 13.10; remove port-fwds (not needed); more VM memory!
boot-cirros.py: revert to (correct) "auth_url" for OpenStack APIs access