DNS additions

See merge request ispconfig/ispconfig3!1021

Fix wrong DE translations for spamfilter

See merge request ispconfig/ispconfig3!1030

Clicking from search result alias/child domain failed to open, fixes #5607

See merge request !1026

Allow 63 char TLD

See merge request ispconfig/ispconfig3!1028

Add auth_verbose to dovecot conf

See merge request ispconfig/ispconfig3!1027

Fix typo in catchall domain error

See merge request ispconfig/ispconfig3!1029

Rename "not enabled" spamfilter (MR fix)

See merge request ispconfig/ispconfig3!1024

Remove even more useless titles

See merge request ispconfig/ispconfig3!1025

Add Font Awesome

See merge request ispconfig/ispconfig3!1023

Rename "not enabled" spamfilter

See merge request ispconfig/ispconfig3!1018

Add a direct domain add button

See merge request ispconfig/ispconfig3!1020

Add empty option for domain module dropdown

See merge request ispconfig/ispconfig3!1022

Revert "Merge branch 'inherit-spampolicy' of git.ispconfig.org:thom/ispconfig3 into add-domain-button"

This reverts commit a2cf4b73