Refresher

Adhere Spring Cloud new Version Schema

Release notes:

1. Updating to new Spring cloud version schema 2020.0.0-M1.
2. Updating to MySQL 8.0.20 database to docker-compose.
3. Updating to MongoDB 4.2.6 database to docker-compose.
4. Updating to latest RabbitMQ to docker-compose.
5. Updating to latest Kafka and Zookeeper to docker-compose.
6. Updating to latest OpenJDK:14.0.1-jdk-slim-buster to docker images.