* update Dockerfile; install missed python-protobuf package; add CMD as a way of defining default arguments for the ENTRYPOINT
* remove CMD command, default config parameter is also set in pokecli.py
* improve docker usage; add single container run for the webUI; add docker-compose.yml for starting the bot ecosystem with one command
* fix "How to run with Docker" link
* fix timezone setting: send timezone arg to the docker image build process, e.g. "docker build --build-arg timezone=Europe/Berlin -t pokemongo-bot ."