java-cup-bootstrap-0.11-bp153.3.22

- BuildIgnore xml-commons-apis xml-commons-resolver xalan-j2
  and xerces-j2 in order to solve build cycle

- Do not depend on java-gcj-compat
- Fix build with jdk9: specify source and target 1.6

- Add conflicts for each variant
- Sync .changes
- Drop weird jpackage-prepare script and use standard pre_checkin.sh

- Disable build of javadoc
  * drop java-cup-javadoc.patch

- sync licenses

- license update: HPND
  SPDX syntax

- Build ignore xml-comons-jax-1.3-apis

- Fixed bnc#501635: Added a lincense file

- Build using gcj (for proper bootstrap of openjdk)

- Initial packaging of java-cup-bootstrap 0.11 in SUSE (from jpp5)