Updated other codes as needed.

to be used.  --without-subdir can be used to specify no subdirectory.

  default sysconfdir subdirectory is openldap instead of ldap.
    This removes conflicts with other ldap subsystems.  Should
    be configure option.
  *.conf files are now preserved.  A *.conf.default are always
    created with the latest conf.
  *.help and ldapfriendly are now placed in $(datadir)/$(ldap_subdir)
  updated man pages to reflect changes.

  Updated to use libtool 1.2 (with FreeBSD3.0 a.out v. elf detection).
  Updated autoconf to 1.12 with sed patch (don't use stock 1.12).
  aclocal.m4 is built using automake's aclocal, v1.3.
  Updated mkdep to support libtool .lo files.
Updated automake provided macros for TERMIOS, STRTOD, MKTIME, PTRDIFF_T
Autoconf now checks to ensure C compiler supports ANSI C prototypes.
Updated make files templates.

Need to extend autoconf to support user setting.

Rely on portable.h.

Fix make install problems.

Add basics of Kerberos detection.

Added basic -lwrap detection.

Now to sort out configure enable/with options.

however much is still needed (included db2 and thread detection)

handle ldapconfig.h.in.