[#61] Use cs8-base as base image and update code for python-megabus-1.5.1-1

Dockerfile

Dockerfile-base

docker/activemq/activemq-publisher-routing_publisher.conf

docker/activemq/email_daily_publisher.conf

docker/activemq/email_monthly_publisher.conf

docker/activemq/email_weekly_publisher.conf

logging.yaml

notifications_routing/app.py

notifications_routing/jobs/registry.py

notifications_routing/preferences.py

notifications_routing/publisher.py

notifications_routing/router.py

scripts/docker-send.py