Ticket 450 - CLEANALLRUV task gets stuck on winsync replication agreement
    
    Bug Description:  cleanallruv task was incorrectly processing winsync agmts, which
                      lead to errors and failures
    
    Fix Description:  Ignore winsync agmts during cleanallruv task processing.
    
    https://fedorahosted.org/389/ticket/450
    
    Reviewed by: richm (Thanks Rich!)