Ticket #47303 - start/stop/restart dirsrv scripts should report and error if no instances
    
    https://fedorahosted.org/389/ticket/47303
    Reviewed by: mreynolds (Thanks!)
    Branch: master
    Fix Description: start/stop/restart dirsrv should report and error if no instances
    Platforms tested: RHEL6 x86_64
    Flag Day: no
    Doc impact: yes