R1:a87f2cd61053

Fix `--ssl-cert` for Aphlict

Summary: `PhabricatorAphlictManagementWorkflow` passes `--ssl-cert` but `aphlict_server.js` expects `--ssl-certificate`.

Test Plan: Tested on a production system.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11283