stable-3.1 -> develop

See merge request ispconfig/ispconfig3!1080

Change date format (Ported from !621)

See merge request ispconfig/ispconfig3!1140

Fix typo (ported from !634)

See merge request ispconfig/ispconfig3!1133

Patch rescue

See merge request ispconfig/ispconfig3!1132

Update login string (Backport from !654)

See merge request ispconfig/ispconfig3!1138

Dutch and french translations for quota emails

See merge request ispconfig/ispconfig3!1135

Add changes from install/tpl

See merge request !1136

Resolve "[Stable-old] CAA requiered? LE Cert's can't issued anymore"

Closes #5728

See merge request ispconfig/ispconfig3!1134

Lost on master(!866) ... now on cherry-picked on !1132

Cherry-picked from !826 after master change.

Cherry-picked from !825 after master change.

# Conflicts:
#   server/scripts/update_from_dev_stable.sh

Allow creating LE SSL certs during ISPConfig 3.1 stable install or update

See merge request ispconfig/ispconfig3!911

Hj Ahmad Rasyid Hj Ismail authored Sep 08, 2020 and Till Brehm committed Sep 08, 2020

Update installer_base.lib.php to get LE SSL certs for the server via certbot or acme.sh before openssl self-signed method upon new installation or existing update; and extend it to other available services (postfix, pure-ftpd-mysql), with additional dhparam pem file, if none exists.

Resolve "Installer: Check for required PHP modules"

Closes #5725

See merge request ispconfig/ispconfig3!1130

Show alias sub domains

See merge request ispconfig/ispconfig3!1072

Forward via postfix

Closes #5670

See merge request ispconfig/ispconfig3!1111

# Conflicts:
#   install/sql/ispconfig3.sql

Resolve "Database user creation not working on MySQL 8"

Closes #5418

See merge request ispconfig/ispconfig3!1127