Based upon code submitted by Steve Omrani <somrani@us.ibm.com> (ITS#1525)

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.)

Fix invalid structural object class chains in test schema

treated as a request for all required and allowed attributes of the class.
This allows:
	ldapsearch (objectClass=*) inetOrgPerson
	(requests return of all attributes of inetOrgPerson)
and
	ldapsearch (objectClass=*) extensibleObject
	(requests return of all attributes, e.g., "+" "*")

Includes rewriting of URLs where the DN of the referral object
and the DN of the ref attribute attribute are not the same.
Also, always returns explicit DN and scope.
Currently, back-ldbm only.  Needs to be ported to back-bdb.