New LDAP config options adding AUTHENTICATION_METHOD=ldap-search for using a bind user.

Fix bug with combination of add-cluster-member and real-time-backup-enabled.

Fix bug with Events list view for aggregate queries

UI improvements with auto suggest / pop up documentation.

new function: shannon_entropy()

Generic UDP/TCP ingest added (for e.g. syslog). Config with HTTP/JSON API only, no GUI yet.