classworlds-1.1-bp150.2.3

- Specify java source and target level 1.6 in order to allow build
  with jdk9
- Clean spec file

- New build dependency: javapackages-local
- Fixed requires
- Removed maven conditions
- Spec file cleaned

- Fix build with new javapackages-tools

- Move from jpackage-utils to javapackage-tools

- use add_maven_depmap from javapackages-tools
- use pom file from repo1.maven.org

- license update: BSD-3-Clause
  Open Source is not a recognised license. Use the proper license
  (BSD-3-Clause) in SPDX format

- Initial SUSE packaging from jpackage.org 5.0