fixed %template declared within class, next to template declaration

added a few tests for C# nested classes support

Examples/test-suite/java/derived_nested_runme.java

@@ -0,0 +1,22 @@
+
+import derived_nested.*;
+
+public class derived_nested_runme {
+
+  static {
+    try {
+	System.loadLibrary("derived_nested");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void main(String argv[]) {
+    BB outer = new BB();
+    BB.DD d = new BB.DD();
+    BB.EE e = new BB.EE();
+    outer.getFf_instance().setZ(outer.getFf_instance().getX());
+    outer.useEE(e);
+  }
+}