Ticket #47911 - split out snmp agent into a subpackageTicket 47911
    
    Description:
    Base upon the initial spec file patch provided by Peter Robinson <pbrobinson@gmail.com>:
      https://fedorahosted.org/389/attachment/ticket/47911/389-ds-base-snmp.patch
    added 2 changes.
    1) separated snmp files into "%files snmp" section.
    2) added Obsoetes version setting for the upgrade
    
    https://fedorahosted.org/389/ticket/47911
    
    Reviewed by wibrown@redhat.com (Thank you, William!!)