ref are associated with the parent req instead of the original req, to
prevent infinite loops.

make file names more slapd-ish; add attribute inheritance to search attributes; precompile uppercased search

glueBack->be_entry_close before calling it

improve fix to ITS#2923; note that suffix massaging is inherently flawed, because comperisons should always occur on Normalized DN, while massaging can also occur on Pretty DN, but there is no guarantee they have the same length or any length-based comparison can work; so in any case, we should pass the Normalized DN and, if the Pretty DN is present, massage it as well accordingly

and libtool's config already does the necessary detection.

should improve readability and (hopefully) decrease traffic on openldap-software; sorry I can't test it right now