Point github.com/facebook URIs at github.com/phacility (Arcanist Edition)
Point github.com/facebook URIs at github.com/phacility (Arcanist Edition)

Summary: See D9328.

Test Plan: `grep`

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9329

julkiewicz/arcanist,julkiewicz/arcanist,julkiewicz/arcanist,julkiewicz/arcanist