Resolve "Issues when auth.log is not writable"

Closes #6809

See merge request !1993

Resolve "Allow hostnames in remote IP field in MySQL databases"

Closes #6805

See merge request !1992

Resolve "Link to nginx wiki doesn't exist"

Closes #6763

See merge request !1991

Updated PHP cli binary code

Closes #6833

See merge request ispconfig/ispconfig3!1989

Fixed metrics for nodes in a multiserver setup

Closes #6834

See merge request !1990

Resolve "Improve error message - No init script, we quit here"

Closes #1988 and #6829

See merge request ispconfig/ispconfig3!1988

Implements PostgreSQL support for Client databases.

Closes #973

See merge request !1942

# Conflicts:
#   install/sql/incremental/upd_dev_collection.sql

Resolve "website PHP version select should also apply for CLI"

Closes #6501, #6410, #6211, and #6633

See merge request !1829

# Conflicts:
#   install/sql/incremental/upd_dev_collection.sql
#   interface/web/admin/lib/lang/ar_server_config.lng
#   interface/web/admin/lib/lang/ar_system_config.lng
#   interface/web/admin/lib/lang/bg_server_config.lng
#   interface/web/admin/lib/lang/br_server_config.lng
#   interface/web/admin/lib/lang/ca_server_config.lng
#   interface/web/admin/lib/lang/cn_server_config.lng
#   interface/web/admin/lib/lang/cz_server_config.lng
#   interface/web/admin/lib/lang/de_server_config.lng
#   interface/web/admin/lib/lang/dk_server_config.lng
#   interface/web/admin/lib/lang/el_server_config.lng
#   interface/web/admin/lib/lang/en_server_config.lng
#   interface/web/admin/lib/lang/es_server_config.lng
#   interface/web/admin/lib/lang/fi_server_config.lng
#   interface/web/admin/lib/lang/fr_server_config.lng
#   interface/web/admin/lib/lang/hr_server_config.lng
#   interface/web/admin/lib/lang/hu_server_config.lng
#   interface/web/admin/lib/lang/id_server_config.lng
#   interface/web/admin/lib/lang/it_server_config.lng
#   interface/web/admin/lib/lang/ja_server_config.lng
#   interface/web/admin/lib/lang/nl_server_config.lng
#   interface/web/admin/lib/lang/pl_server_config.lng
#   interface/web/admin/lib/lang/pt_server_config.lng
#   interface/web/admin/lib/lang/ro_server_config.lng
#   interface/web/admin/lib/lang/ru_server_config.lng
#   interface/web/admin/lib/lang/se_server_config.lng
#   interface/web/admin/lib/lang/sk_server_config.lng
#   interface/web/admin/lib/lang/tr_server_config.lng

fix copy to clipboard selector, #6726

Closes #6726

See merge request !1924

Let's Encrypt: auto cleanup & ECC

Closes #5226, #6563, and #6746

See merge request !1937

Allow exit code 1 from borg(files changed while backing up), #6776

Closes #6776

See merge request !1960

Resolve "Error from 100-monitor_hd_quota.inc.php when a server has no sites"

Closes #6785

See merge request !1951

LE: automatically add certificates of other services (ISPConfig interface, Postfix, Pure-FTPd) to the deny list #5226 #6563

strtok usage was wrong

Following files had inconsistency, that I fixed, too:

* tr_server_config.lng: key `monitor_system_updates_txt` two time, missing keys
 * it_server_config.lng: missing key
 * cz_server_config.lng: value in rescue_description_txt had unnecessary escape for "
 * cn_server_config.lng: multiple keys two times, missing keys

allows globs like `web?.*`, `web[0-9].*`, `web[!34].*` and rejects globs like `invalid..domain` or `this is not a domain name`