Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to firstname.lastname@example.org, with your desired username, if you want to get access. Sorry for the inconvenience.
More to come :)
We can do some of the stuff in http/install-common.sh in the "base image". We can probably also move the stuff from http/install-chroot.sh and http/install-cloud.sh to "pre" functions in build-inside-vm.sh.