added structural objectclass; reworked obejctclasses to use 'monitor' and 'extensibleObject'; minor cleanup

over using ldapadd/ldapsearch. Order of results is significant, and
differs from order in data/test-ordered.ldif (thus data/test-glued.ldif
is needed.)

in Active Directory.

there is an error.)

checks (in addition to user application schema checks).

administrativeRole restricts.

Added error checking to str2anlist; if the attr name doesn't match
any attribute or objectclass the offending attr name is displayed.

Don't use ldap_pvt_is_socket_ready() at all on Windows, it is
totally unneeded and getpeername() misbehaves on W2K.