Early message acks

[rvandegrift]

There's two locations where we ack a pubsub message on error inside of a loop:

• real-time-enforcer/app/run.py

  Line 187 in cb8cd82

  pubsub_message.ack()

• real-time-enforcer/app/run.py

  Line 203 in cb8cd82

  pubsub_message.ack()

If there's an error on one of the resources in parsed_message.resources, we immediately ack the message. But if not, we want until all of the processing is done.

Is this a problem?