Load Vagrant keypair from official repo
Load Vagrant keypair from official repo

The vagrant repo has moved from `mitchellh` to the `hashicorp`
organization. Update the URL.

jcalazan/ansible-django-stack,jcalazan/ansible-django-stack,YPCrumble/ansible-django-stack,YPCrumble/ansible-django-stack,YPCrumble/ansible-django-stack,jcalazan/ansible-django-stack