Matt Harbison <matt_harbison@yahoo.com> [Sat, 12 May 2018 00:34:01 -0400] rev 37996
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.