Fixed slapd runqueue use of freed memory (ITS#4517)
Fixed slapd slap_send_ldap_result bug (ITS#4499)
Fixed slapd thread pool init issue (ITS#4513)
+ Fixed slapd-bdb pre/post-read freeing (ITS#4532)
Added slapd syncrepl mandatory searchbase check
Fixed slapadd cn=config issue (ITS#4194)
Fixed slapd-ldap proxyAuthz of bound identity/override (ITS#4497)