clarify that the names of the configure statements are case-insensitive, despite style considerations lead to use uppercase for some and lowercase for others

Changed check_pw_quality callback to pass entry's Attributes in final arg.

add (and honor) a (configurable) baseObject to workaround ldap_entries view for RDBMSes that do not support UNION in views

with ldapi:// sessions.

slightly rework user/operational attributes handling (including fixing a bug in the logic of the previous change to backend_operational()); cleanup; more improvements to slapo-rwm and back-relay

size exceeds dbcache size by minimizing cache thrashing.

use hard limit instead of returning adminLimitExceeded when requested limit exceeds hard; improve (and document) syntax; modify test025 accordingly