Looks like special pages are now located in /gollum directory.

* Add rdns for nodes

* allow :bab0:: nodes addresses for babel

* nsd: cronjob not reload nsd on zonegen error

* remove duplicated ffbb/48 filter for nodes.ffhb.de

Nobody graphs those anyway

The default changed in Buster, disabling the remote control

Buster doesn't have an _ipv4, and the sysctl we want to set is provided
by nf_conntrack anyway.

In Buster the device is automatically hotplugged

from daemontools to systemd user instancess

letsencrypt: Use current version
tiles: Skip async download task in check mode
wiki: Don't force content git commit (nothing is excuted here)
downloadsite: Add content type for manifest, remove data/nodes dir