Add -g option (GECOS/comment) to adduser in scripts.

community/caddy/caddy.pre-install

community/docker-registry/docker-registry.pre-install

community/domoticz/domoticz.pre-install

community/icinga2/icinga2.pre-install

community/minetest/minetest-server.pre-install

community/oscam/oscam.pre-install

community/redmine/redmine.pre-install

community/smstools/smstools.pre-install

community/sniproxy/sniproxy.pre-install

community/syncthing/syncthing.pre-install

community/tvheadend/tvheadend.pre-install

main/amavisd-new/amavisd-new.pre-install

main/apache2/apache2.pre-install

main/aports-build/aports-build.pre-install

main/arpwatch/arpwatch.pre-install

main/asterisk/asterisk.pre-install

main/asterisk/asterisk.pre-upgrade

main/bacula-client/bacula-client.pre-install

main/bacula/bacula.pre-install

main/bind/bind.pre-install