Merge branch 'develop'

* develop: (54 commits)
  Use new deployment script
  Ensure the logfiles exist.
  Fix typo
  CI_COMMIT_REF_SLUG -> CI_COMMIT_REF_NAME
  Add prod deploy clause
  Remove old SSH pieces; run under normal user account
  Update for the new filesystem layout.
  Move to container versions being the name of the branch
  add gitlab ci
  Update cached-path-relative ~> 1.0.2
  Formatting and code cleanup.
  Add username to zip output and fix the command to get all zips (backup scenario)
  Make zip routes work for multiple projects.
  chmod -> chown
  Fix unclear ordering.
  Move the ownership to 1000:1000, so they can be read by the course website.
  Fix to Ruby can parse Danish letters
  Fix node version. Fix robustness to errors.
  Fix up node version, make sure the backup works.
  Load config on every call.
  ...

# Conflicts:
#	.gitlab-ci.yml