Patch: add OpenLDAPaci #public# access (ITS#2005)

Patch: add OpenLDAPaci #public# access  (ITS#2005)

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Written by Hallvard B. Furuseth and placed into the public domain.
This software is not subject to any license of the University of Oslo.
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I couldn't find a way for an OpenLDAPaci to grant public access to an
entry, so I added a dnType #public# for that.  It is in the position
of subjectDn in the draft, which seems kind of stupid, so I put it
in the position of dnType instead.

Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, Aug 2002.