Add creat* modify* attributes

In tls_verify_cb() use CRYPTO_free instead of free (necessary on NT due to
use of different heaps).
Changed update_flags to use SSL_get_error() to check success/status. This
fixes the problem of sb->sb_trans_needs_read getting set on dead sockets.

nondefault objectclass was given

(but mainly commiting because of the gserver switch)

under "auto" selection.  If not auto, just warn.
Rebuild configure using appropriate tools.

simple bind via:
	{KERBEROS}principal
Code is disabled by default (for security reasons).  Use
--enable-kpasswd to enable.  Behind SLAPD_KPASSWD.
Reworked Kerberos detection and split out KBIND as independent
feature (--disable-kbind) (LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND).
KBIND depends upon detection of KRB4 (or KRB425) support.  Detection,
building with eBones (as distributed with FreeBSD 3.4) okay, but
wasn't able to test as I don't have a K4 KDC handy.
--with-kerberos has a number of detection options... most likely
don't work properly.

Imported <ldap.h> in <ldap_pvt.h> so ldap_pvt_sasl_bind() has necessary
types. Changed const sasl_callback_t * to LDAP_CONST sasl_callback_t *.

Added support for connecting to LDAP servers located using DNS
SRV records. Added lock around resolver library which is shared
by the DNS SRV code and the getdxbyname() code.

Added ldap_pvt_sasl_bind() prototype to ldap_pvt.h. This
required importing sasl.h into ldap_pvt.h, thus that import
was removed from ldap-int.h.

(callbacks not yet implemented though).

Braced ldap_connect_to_path() in #ifdef LDAP_PF_LOCAL so as to compile
without PF_LOCAL support.

support for DCE slash-delimited, left-to-right DNs;
support for a domain socket transport (enable with
--enable-ldapi); and extensions to URL parsing to
support the latter transport.

	autoconf 2.13.3
	aclocal from automake 1.14a
	libtool 1.3.3

trap code.

in searches, and experimental "trap" subcommand.