Clean up and switch to java 11

doclet/ReferenceGenerator/build.xml

@@ -52,7 +52,7 @@
         description="compile the source " >
     <!-- Compile the java code from ${src} into ${build} -->
     <!-- Note that your environment JAVA_HOME now matters for building -->
-    <javac srcdir="${src}" destdir="${build}" source="1.8" target="1.8" includeantruntime="true">
+    <javac srcdir="${src}" destdir="${build}" source="11" target="11" includeantruntime="true">
       <classpath refid="class.path" />
     </javac>
   </target>

doclet/ReferenceGenerator/src/ProcessingWeblet.java

@@ -57,9 +57,6 @@ public class ProcessingWeblet extends Standard {
 			System.out.println("\n===Writing .javadoc sourced reference.===");
 
 			writeContents(root);
-			
-			// write out everything in the include directory:
-			// see: /api_en/include
 
 			System.out.println("===Source code @webref files written.===");