Add nova validation sctipt to ext

This commit creates an ext directory and
stored a file there that is intended to be
used to perform some basic integration tests
on a functional nova instance.

ext/nova.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Extract creds
+cd ~
+sudo nova-manage project zipfile nova novaadmin
+unzip nova.zip
+source novarc
+euca-add-keypair openstack > ~/cert.pem
+# List
+nova flavor-list
+nova image-list
+
+# Run instance
+euca-run-instances ami-00000003 -k openstack -t m1.tiny
+euca-describe-instances
+
+echo 'log into your controller VM'
+echo 'check the status of your VM with euca-describe-instances'
+echo 'when it is in the running state, verify that you can login'
+echo 'using ssh -i ~/cert.pem root@ip.address'