jakarta-commons-net-1.4.1-2.89

- Specify java source and target 1.6 in order to allow building
  with jdk9

- Require java 1.6 or newer to build

- Fix build with new javapackages-tools

- Fix build with new javapackages-tools

- Fix sle build properly.

- Update project_xml patch for strict fuzz
- Suppress bytecode check on SLES
- remove java-javadoc build requirement

- Move from jpackage-utils to javapackage-tools

- use add_maven_depmap

- buildrequire saxon8 (bnc#780666)
- remove self-obsolete commons-net

- require saxon9 for build
- don't build with java5 target