$ curl http://localhost:8080/v2/apps/marathon-nc/versions
{"versions":["2015-06-30T19:52:44.649Z"]}
$ curl -s \
http://localhost:8080/v2/apps/marathon-nc/versions/2015-06-30T19:52:44.649Z \
> app.json
$ cat app.json
{"id":"/marathon-nc", "cmd":"echo \"hello $MESOS_TASK_ID\" | nc -l $PORT0",[...]
$ curl http://172.17.0.3:8000
hello marathon-nc.f56f140e-19e9-11e5-a44d-0242ac110012
