Makefile: adds stop-qa-env
Makefile: adds stop-qa-env

- This minimally stops all docker-composed services and removes the
  qa desc file.
- Intended as a safer replacement for stop-running-containers

opentable/sous,opentable/sous,samsalisbury/sous,opentable/sous,samsalisbury/sous,opentable/sous,samsalisbury/sous,samsalisbury/sous,opentable/sous,samsalisbury/sous