Fireball mode as you may remember is a way to launch a temporary 0mq
daemon for extremely fast Ansible operations.
I've now finished what needed to be done to it, so you can now specify
the port if you want. The default port is 5099.
You first set up the fireball daemon via SSH and tell it how long to
live. Then, you talk to it as if it were any other connection type.
It looks like this: