Move to fedora 24
Move to fedora 24

Fedora24 has been released and dlrn fedora must start
using it.

Change-Id: I6d5ae6f81051a7db16a8db01dcc17e27278b4def

openstack-packages/delorean,openstack-packages/DLRN,openstack-packages/delorean,openstack-packages/DLRN