Add vagrantfile for AIO testing
Add vagrantfile for AIO testing

This patch adds a vagrantfile which enables the build
of an All-In-One (AIO) using vagrant and virtualbox.

Change-Id: Ief7bcac92f06a5dab709639bf281f23c12b84e45

os-cloud/os-ansible-deployment,bunchc/openstack-ansible,yanyao/openstack-ansible,robb-romans/openstack-ansible,stackforge/os-ansible-deployment,cloudnull/os-ansible-deployment,openstack/openstack-ansible,BjoernT/os-ansible-deployment,stackforge/os-ansible-deployment,robb-romans/openstack-ansible,os-cloud/os-ansible-deployment,BjoernT/openstack-ansible,cloudnull/os-ansible-deployment,bunchc/openstack-ansible,yanyao/openstack-ansible,cfarquhar/openstack-ansible,BjoernT/openstack-ansible,BjoernT/os-ansible-deployment,cfarquhar/openstack-ansible,BjoernT/os-ansible-deployment,openstack/openstack-ansible