Keeps Samba and Kerberos passwords in sync within slapd.

 Extends the PasswordModify Extended Operation to update Kerberos keys
 and Samba password hashes for an LDAP user. The Kerberos support is
 written for Heimdal using its hdb-ldap backend. The Samba support is
 written using the Samba 3.0 LDAP schema.