to appropriate syntaxes.

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

Add needed syntaxes defs to schema_init.c

to caller (do_search) such that info can be used by other
operations (ie: do_compare).
SLAPD_SCHEMA_NOT_COMPAT: Add additional code to support filters (needs work)

Add schema_prep() call to main()
Similiar changes to slapcommon.c
Add schema_prep() impl to schema_init.c
Add slap_ad_entry and slap_ad_children globals.
Add "entry" and "children" to openldap.schema (this likely should
  be added to schema via code, not configuration)

plus these changes unhidden changes:
	remove now meaning --enable-discreteaci configure option
	fix ITS#451, slapd filters
	Add ber_bvecadd() to support above
	constify ldap_pvt_find_wildcard() and misc slapd routines
	renamed some slap.h macros
	likely broken something

Changes outside of #ifdef include three value filter processing.

additional schema items.

attributes of the syntax.  Such attribute values be transferred
using binary syntax unless ber2str/str2ber routines are provided.
Used in conjunction with ";binary" attribute description option
and/or the Binary syntax.

routines to separate file to keep schema.c of managable size.