Adding start/stop functionality in manage.py (#457).  source.py and journalist.py create a pidfile (the path of which is defined in config/base.py) and this is referenced for shutdown.
Adding start/stop functionality in manage.py (#457).  source.py and journalist.py create a pidfile (the path of which is defined in config/base.py) and this is referenced for shutdown.

mark-in/securedrop-prov-upstream,mark-in/securedrop-prov-upstream,mark-in/securedrop-prov-upstream,mark-in/securedrop-prov-upstream