Update to upstream 4.0.4 release.
    
    - Split subpackages requiring junit at runtime:
      byteman-dtest, byteman-bmunit
    - Fix filtering of asm requirements. They
      shouldn't be there since asm gets bundled.
    - java-headless >= 1:1.9 would get generated, but byteman 4.x
      runs on JDK 6+. Require >= JDK 8
    - Properly install structure for jboss-modules-plugin to work:
      bminstall -m