revoke root for kudu

Inactivity, discussed with Dusti and approved.
revoke keys when revoking access as well
Enable DPL forum
Merge pull request #452 from Pavelovich/patch-9

Enable DPL forum
Revert "Enable DPL forum"
Merge pull request #453 from Orain/revert-452-patch-9

Revert "Enable DPL forum"
DPLForum for wh40kwiki
Merge pull request #454 from Southparkfan/patch-43

DPLForum for wh40kwiki
mail: fix handling from @localhost
SMTP force auth
Merge remote-tracking branch 'upstream/master'