Ticket 47654 - Cleanup old memory leaks reported from valgrind
    
    This patch addresses all the memory leaks reported by valgrind when just
    starting and stopping the server.  Most of these were around the access control
    plugin and libaccess.
    
    https://fedorahosted.org/389/ticket/47654
    
    Jenkins: passed
    Coverity: passed
    Valgrind: passed
    
    Reviewed by: nhosoi(Thanks!)