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

Make a non-fatal warning if SASL buffer is smaller than SASL_MAX but
larger than negotiated max. Not sure this is actually a good idea.

packets on the IPv6 socket, and we receive only IPv6 with -6.

listening on socket bound to ::

	patch suggested by Dave Steck <dsteck@novell.com>

Should add a special DN pointer

Need to hide cn=Monitor from namingContext