rpm: require Ansible 2.3.1.0
rpm: require Ansible 2.3.1.0

We require a newer verison of Ansible now.

font/ceph-ansible,jtaleric/ceph-ansible,ceph/ceph-ansible,font/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible,travmi/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible,jtaleric/ceph-ansible