Changes between #5920 and #5930

#5930 (03-Mar-2022 15:07:16)

1. Got the project compiling with java 11 and removed a bunch of warnings — Rasmus Bohl Kristensen (rbkr) / detail
2. Swapped old jaxb maven plugin for Mojohaus' and fixed a couple of missed — Rasmus Bohl Kristensen (rbkr) / detail
3. Removed outcommented plugin and added small comment on updating new — Rasmus Bohl Kristensen (rbkr) / detail
4. Add Jenkinsfile for build description — Kim Christensen (ktc) / detail