phabricator: migrate [phabricator.auth] to [auth]
This resurrects the warning mechanism removed in
20a4543e9a2b. I'm not worried
about the copy/paste of the code for a brief transitional period.
#!/bin/sh
# This scripts is used to install dependencies for
# testing Mercurial. Mainly used by Vagrant (see
# Vagrantfile for details).
export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get install -y -q python-dev unzip
# run-tests.sh is added by Vagrantfile
chmod +x run-tests.sh