avalon-framework-4.1.4-bp150.2.3

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

- Cleanup with spec-cleaner do not use brp disabling.

- Move from jpackage-utils to javapackage-tools

- Added url as source.
  Please see http://en.opensuse.org/SourceUrls

- provide compat symlinks in /usr/share/java/excalibur
  part of a fix fo bnc#800694

- Package avalon-framework 4.1.4 (last one don't need maven) for openSUSE
- Fixing the license tag