Add a bin/aphlict wrapper to handle aphlict config / daemonization

Summary: Simple wrapper script to configure, launch, daemonize and restart the Aphlict server.

Test Plan: Ran "bin/aphlict", checked /notification/status/. Ran "bin/aphlict --foreground".

Reviewers: jungejason, vrana

Reviewed By: jungejason

CC: aran

Maniphest Tasks: T944

Differential Revision: https://secure.phabricator.com/D2784