Enable nsq

Resolves #48 
I like the idea of pulling the docker images here, it may solve a lot of the time out problems that we are having.
But I wonder if we should keep the `docker pull <imagename>` commands in service files. I'm thinking it may serve as failsafe if the images don't get pulled down properly here.

But, do we know if fleet is smart enough to not pull the image down if it's already present on the system?