v2.0.3 Release

What's Changed

This is a maintenance release of jaxb-tools v2 with preparation of merging jaxb-related projects into this repository

⭐ New features

• [#264] Move maven-plugin project to submodule ahead of migrating jaxb… by @mattrpav in #280

📖 Documentation

• Update URLs to point to updated GitHub url https://github.com/highsource/jaxb-tools

Full Changelog: 2.0.2...2.0.3