/etc/rabbitmq/rabbitmq.config should not be world readable
/etc/rabbitmq/rabbitmq.config should not be world readable

The file /etc/rabbitmq/rabbitmq.config contains rabbitmq credentials and
is world readable while installing with Packstack.

Change-Id: I3c4b96bd2e6ec227a881b63b2b6f2283ac751b10
Resolves: rhbz#1218817

openstack/packstack,fr34k8/packstack,mahak/packstack,xbezdick/packstack,fr34k8/packstack,stackforge/packstack,openstack/packstack,imcsk8/packstack,imcsk8/packstack,stackforge/packstack,imcsk8/packstack,openstack/packstack,mahak/packstack,fr34k8/packstack,xbezdick/packstack,stackforge/packstack,xbezdick/packstack,mahak/packstack