add oci-register-machine and oci-systemd-hook
    
    The ostree tree from the initial release of fedora atomic 24 (24.39)
    included oci-register-machine and oci-systemd-hook, which centos and
    rhel atomic hosts also include. These hooks deal with systemd
    integration:
    (http://rhelblog.redhat.com/2016/06/30/whats-new-in-red-hat-enterprise-linux-atomic-host-7-2-5/)
    
    These packages were pulled in as a dependency of docker-1.10.3-9, but
    docker-1.10.3-24 does not, for some reason, pull them in -- both
    specify these as "Recommends," and that has not changed. In rhel and
    centos, these oci hook pages are "Requires" for docker, so it's unclear
    whether this issue would affect them.
    
    This commit adds these oci hooks in the json, to restore these systemd
    integration features to fedora atomic 24.