Ruby 2.0 CLI fix
Added a file backend for amqp so we can do playbacks of recordings
Throughput/Latency stats tweaks
Fast mode for subscribers

Also properly testing that we can send regular messages during the version bootstrap
Round robin on the AMQP file backend
on_stats() hook
Recovery works, even when the database died and had a dataloss.
Adding a flag in the payload if it was recovered