Maintenance update (v1.1.0)

This release updates dependencies and lowers memory consumption

• Updated Spring Boot to 2.3.2
• Updated Vaadin to LTS 14.3.1
• Updated inspection plugins to their latest versions
• Updated Docker-Java to 3.2.5
• Lowered jar size by only bundling the recommended docker-java transport
• Decreased startup time by unpacking the jar for the final docker image
• Massively lowered memory usage (idle before: 500MB, after: 180MB) by switching
  to the OpenJ9 JVM in the docker image. This also improves start-up time of
  the EaaS server

Initial release (v1.0.0)

This is the initial production-ready release of the software.