copied javascript files from knowrob_vis in order to become independent of the knowrob_vis HTTP server (i.e. use only the websocket port from outside the container)
included nginx-proxy container into the update and start scripts
Changed access methods to webservices to use the <url>/ws/<user>/ scheme that can be used via port 80, not requiring the forwarding of high-range port 49xxx any more
disabled debug mode in webapp