Raised IDS block levels and set warn level to block level to avoid that the log gets filled with warnings.

Reseller is able to see a list of all clients and not just of his own clients in select field in the head of domain list when domain module is active.

add mail-relay and mail-transport to resync

See merge request ispconfig/ispconfig3!763

add "locked" to clients list

See merge request !761

Resolve "Very slow MySQL Queries in mail_[user|forward|alias]_edit.php"

See merge request ispconfig/ispconfig3!757

See issue #4984

don't expose the specific ISPConfig version number through the title html-tag

See merge request ispconfig/ispconfig3!756

- fixed backups not downloadable on multiserver slave, fixes #4973

. Thank's to Oliver for the fix.

- fixed accidently deleting mysql r/o user completely when it is removed from a single database, fixes #4963

Fix bug where in a multiserver setup, deleting a backup will not remove its…

See merge request !736

fixed regex for backup tmp dir

See merge request !739

Fix bug where in a multiserver setup, deleting a backup will not remove its details from the master database as well.

use pigz if available for tar-backups and add definable tmp-dir for zip-backups

See merge request !731