Java 11 migration#15

Merged

m-atlantis merged 7 commits intomasterfrom

java11_migration

Mar 3, 2022

Commits on Aug 5, 2021

Got the project compiling with java 11 and removed a bunch of warnings
Bohlski
committed

Commits on Aug 6, 2021

Swapped old jaxb maven plugin for Mojohaus' and fixed a couple of missed warnings
Bohlski
committed
Gave xjc-generated classes an explicit serialVersionUID to squash warnings
Bohlski
committed

Commits on Aug 11, 2021

Removed outcommented plugin and added small comment on updating new plugin
Bohlski
committed

Commits on Feb 16, 2022