Reworked java runner and return value handling.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@430 024a02f7-42f7-40fc-9f58-65666d1f2450
Updated Changelog.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@431 024a02f7-42f7-40fc-9f58-65666d1f2450