Make javascript 'nspace' conform to corresponding lua example.

Examples/javascript/nspace/example.h

@@ -0,0 +1,23 @@
+#ifndef _example_guardian_
+#define _example_guardian_
+
+int module_function() { return 7; }
+int module_variable = 9;
+
+namespace MyWorld {
+  class World {
+  public:
+    World() : world_max_count(9) {}
+    int create_world() { return 17; }
+    const int world_max_count; // = 9
+  };
+  namespace Nested {
+    class Dweller {
+      public:
+        enum Gender { MALE = 0, FEMALE = 1 };
+        static int count() { return 19; }
+    };
+  }
+}
+
+#endif