H.1.1.0: Stop and Start RabbitMQ process

Before the eDeploy upgrade, we need to stop Rabbit everywhere, since
it's a major release upgrade (2.7 to 3.2).
We start directly the service after eDeploy work.

The downtime could be 30 seconds.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>