reconfigure pure-ftpd

See merge request ispconfig/ispconfig3!658

Update pl_ftp_sites_stats_list.lng

See merge request !657

Update pl.lng

See merge request ispconfig/ispconfig3!656

Update pl.lng

See merge request !655

Update pl.lng

See merge request ispconfig/ispconfig3!654

Fix #4808 Load the existing keys without new line, so array_search can find the…

Closes #4808

See merge request ispconfig/ispconfig3!653

Fix #4808 Load the existing keys without new line, so array_search can find the old ones. Unset a key from existing_keys only if a match is false and avoid false being treated as 0

ttl missing for dmarc-recods (Fixes #4807)

See merge request !652

- fixed problem in remoting (not able to get version info without providing server_id argument), fixes #4801

Webdav AuthName fixed and tested in productive server

See merge request !651

Changed defaults for unrecognized Ubuntu versions to 16.04 and for unrecognized Debian versions to Debian 9.

Update nginx_vhost.conf.master: leverage browser caching for /favicon.ico

See merge request !649

Fixed a problem that caused the creation of mysql users to fail. This affected the dev branch only and not the stable 3.1.6 release.