Install epel-release-latest rather than certain version
Install epel-release-latest rather than certain version

Install epel-release-latest from fedoraproject.org

Change-Id: Ifb667aaf5184346be70647d9c7574833f526a3cf
Closes-Bug: #1656733

coolsvap/kolla,coolsvap/kolla,mrangana/kolla,stackforge/kolla,stackforge/kolla,GalenMa/kolla,nihilifer/kolla,openstack/kolla,intel-onp/kolla,mrangana/kolla,intel-onp/kolla,rahulunair/kolla,nihilifer/kolla,GalenMa/kolla,rahulunair/kolla,coolsvap/kolla,stackforge/kolla,openstack/kolla