vosi: adds version string to availability

data-discovery/src/main/java/vosi/VlkbServletFile.java

@@ -40,7 +40,7 @@ public class VlkbServletFile
 		+ "<vosi:availability  "
 		+ " xmlns:vosi=\"http://www.ivoa.net/xml/VOSIAvailability/v1.0\">"
 		+ " <vosi:available>true</vosi:available>"
-		+ " <vosi:note>service is accepting queries</vosi:note>"
+		+ " <vosi:note>VLKB-SIAv2 " + Version.asString + " is accepting queries</vosi:note>"
 		+ "</vosi:availability>";
 
 	private String capsStr = null;