Fixes supervisor-support-service supervisor group to manage the support services like rabbitmq-server

Coming up with supervisor-support-service supervisor group to manage the support services like rabbitmq-server
only rabbitmq-server is added in it, later can add required services like keepalived, haproxy etc.

Change-Id: Iead4efb0a4e578ead395c8f65fbf68b9dc251247
Closes-Bug:1373264