Saved a Panamax template arangodb_nginx.pmx
Saved a Panamax template titan_on_cassandra_and_elasticsearch.pmx
Update titan_on_cassandra_and_elasticsearch.pmx

Changed the VBoxManage command to... work. Added some testing stuff so you know it's working.
Merge pull request #21 from rseymour/master

Two graph database templates now.  Titan and Arango!