get rid of dev stuff
add postgresql and redis for try41 dependencies
add rsyslog to dendrite
Update README.md
fix sed bug
cleanup, add environment variable to containers
improve container startup logging
add parent_host on container creation
pull out docker port, in case we want to change it
generic secret, cleanup commented code
cleanup cmd, add secret_key as env var
Merge branch 'master' into user_auth

Conflicts:
	Dockerfile
	api.py