Replace patches and custom class by using a c4science Phabricator branch
Summary:
Use c4science fork
Replace github by phacility git repo
Test Plan:
- Delete /srv/.../phabricator
- Re-run ansible playbook
- Check the instance is running
- Swap the instance in haproxy
- Redo for other instances
Differential Revision: https://c4science.ch/D135