Add Vagrant support

Add support for building out vagrant test environments. This is based
upon virtualbox and has a wrapper script that allows you to provision
different types of cloud environments.
Changing the mode of run_vagrant

I patched this file and lost the +x
Cleanup variables for run_vagrant

Clean up variables and add a new "standard" provisioning type.
Move run_vagrant into bin

Moving the bash script into ursula/bin - where it belongs.
Merge pull request #244 from craigtracey/vagrant

Add Vagrant support