Added aligned mode to pprint for easier at-a-glance reading

Sample output:

~~~~
- mongodb/0:             10.0.3.220 (   pending) 27017/tcp, 27019/tcp, 27021/tcp, 28017/tcp
  - mongodb-sentry/0:    10.0.3.220 (installing) 9001/tcp
- ceilometer/0:          10.0.3.11  (   started) 8777/tcp
  - ceilometer-sentry/0: 10.0.3.11  (      down) 9001/tcp
- relation-sentry/0:     10.0.3.159 (      down) 9001/tcp
~~~~