Update README.md With Vagrant

Add vagrant up to skip the over everything else.
Merge pull request #24 from NegativeK/patch-2

Update README.md With Vagrant
improved Vagrat provisioning
Merge branch 'develop' of github.com:hef/ps1auth into develop
rfid check works from curl
added rfid ad group support
Replacing supervisord with upstart in vagrant

supervisor was starting the app before /vagrant could mount.  Since
supervisor doesn't have a mechanism to wait until the vboxsf are
mounted, I switched to upstart because it can trigger events after
vagrant-mounted as been fired
changing how rfid codes are handled

It's just easier to treat them as strings instead of numbers.
dropping paypal/money support