Fixes: Moving Rabbitmqserver into a new group called supervisor-support-services

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: I9251553b4dd896ca6a7cbebec3613b5e2fcaa027
ClosesBug:1373264
Merge "Fixes: Moving Rabbitmqserver into a new group called supervisor-support-services"