added lber_types.h.nt, lber_types.h.in
removal of NULLxxx internal macros (in favor of NULL).
ch_free added to slapd,slurpd/ch_malloc.c
#define free ch_free (should be removed after s/free/ch_free/g) in proto-slap.h
ch_malloc and friends use ber_memalloc and friends

compiling errors on other platforms.  Will need to update NT projects.

Code untested, but it is not used yet.

Some matching rule definitions modified to use said routines.
Default appropriately all other matching rules.

the length too.

X.520 that were not inherited by RFC2252.
Fill in properly the matching rule oids when converting an attribute
type definition in the old format.

do properly SYNTAX_CES.  Documented all other matching rules from
X.520 that we do not use.

backout previous nt changes (actually, just don't include nt_svc.c)

	ldap_defaults.h incorporates non-generated ldapconfig.h values.
	ldap_config.h.in is new template for autoconf generated defaults
		(namely directories and paths)
	ldap_config.h.nt, NT template (must be manually copied)
	s/<ldapconfig.h>/<ldap_defaults.h>/
	s/DIRSEP/LDAP_DIRSEP/ & s/DEFAULT_/LDAP_/

Remove some lint.

by index_change_values(). The functions were exactly the same but for
one call.

stating ldapd is not supported nor actively maintained, and the code
may suffer from bitrot.  Update configure warnings.