Needs work in normalizers, etc.

	schema engine updated (but not schema routines so things don't run yet)
	nvalues mostly populated, enough for tests 0-2 to pass
	schema routines needs lots of work
	modify/mods codes needs lots of work

Coverted LDAP_LOG macro to use subsystem ID int values instead of string values

Based upon patch submitted by Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>.

   Changed AttributeDescription.{ad_cname,ad_lang} to struct berval everywhere
   Deleted ad_free() everywhere
   Added ad_mutex to init.c

The AttributeDescriptions are in a linked list hanging off of the
corresponding AttributeType.

SASL mech removed from backend bind callback (as SASL is managed by frontend)
Changes to some backends are untested (as I don't have all dependent
  software install)

	added new value_normalize() code
	need LDAPsyntaxes X- field support

SLAP_SCHEMA_NOT_COMPAT: Need to sort out normalization of substring components

Filter code needs to be updated to properly handle soft errors.

Changes outside of #ifdef include three value filter processing.

Still not usable.

MUST be defined).

Replace old Id as needed (back-tcl).
Leave updating of contribWare to contributors (for now).