Changes to -stable, new snapshot available.

["Kurt D. Zeilenga" <Kurt@openldap.org>]

The following changes are now available in snapshot -stable-980915.
    Updated README, INSTALL files
    Updated Linux platform defaults
    Updated FreeBSD 2 & 3 platform defaults
    Added SCHED_YIELD_MISSING flag
    Added LDAP_ALLOW_NULL_SEARCH_BASE flag
    Added core removal to tests/Make-template
    Fixed slapd/acl debug trace problem
    Fixed ud/auth.c bound_dn problem
    Fixed back-ldbm/idl.c CLDAP include <sys/socket.h> problem.
    Fixed Makefile $(CC) problem
    Fixed LIBEXEC/SBIN creation problem
    Fixed gmake RUNDIR not defaulting problem

Many thanks to:
	Hallvard B Furuseth <h.b.furuseth@usit.uio.no>
	Ingo Luetkebohle <ingo@devconsult.de>
	Jared Mauch <jared@puck.nether.net>
	Stuart Lynne <sl@fireplug.net>
and others who contributed patches and/or suggestions.

Kurt