Work around broken rabbitmq 3.6.1 packages on Fedora 23
Work around broken rabbitmq 3.6.1 packages on Fedora 23

Downgrade this package until we have a fix for the bug in the
comments.

Change-Id: I980d625fec7b11aff74814ee2d24fe9650e9f0a6

dtroyer/devstack,group-policy/devstack,bigswitch/devstack,noironetworks/devstack,nawawi/openstack,openstack-dev/devstack,Mahito/devstack,openstack-dev/devstack,noironetworks/devstack,bigswitch/devstack,richliu/devstack,nawawi/openstack,bswartz/devstack,bswartz/devstack,Mahito/devstack,group-policy/devstack,dtroyer/devstack,richliu/devstack