update all examples to 1.6

		final Vector<File> v = FileUtil.listFilesInTree(new File("/gitreps/samples/src/main/resources/jdf"), "*.jdf");
		for (final File f : v)
		{
			final JDFDoc d = JDFDoc.parseFile(f);
			final KElement e = d == null ? null : d.getRoot();
			final VElement vAll = e == null ? null : e.getChildrenByTagName_KElement(null, null, null, false, true, 0);
			if (vAll != null)
			{
				vAll.add(e);
				boolean b = false;
				for (final KElement e2 : vAll)
				{
					String s = e2.getNonEmpty(AttributeName.VERSION);
					if (s != null && !"1.6".equals(s))
					{
						e2.setAttribute(AttributeName.VERSION, "1.6");
						b = true;
					}
					s = e2.getNonEmpty(AttributeName.MAXVERSION);
					if (s != null && !"1.6".equals(s))
					{
						e2.setAttribute(AttributeName.MAXVERSION, "1.6");
						b = true;
					}
				}
				if (b)
				{
					log.info(f.getAbsolutePath());
					d.write2File(f, 2, false);
				}