Ticket #47947 - start dirsrv after chrony on RHEL7 and Fedora
    
    Description: After=chronyd.service to systemd.template.service.in,
    which is installed as this file:
        /usr/lib/systemd/system/dirsrv@.service
    and pointed by each server's service file:
        /etc/systemd/system/dirsrv.target.wants/dirsrv@YOURID.service
    
    https://fedorahosted.org/389/ticket/47947
    
    Reviewed by rmeggins@redhat.com (Thank you, Rich!!)
    
    (cherry picked from commit c3389a46c584fa39b2278a295f8b2b6dad726d31)