Add module names for the typedoc, make it work

Mark members with @private for typedoc.

tns-core-modules/ui/button/button.d.ts

@@ -1,6 +1,9 @@
 /**
+ * @module "ui/button"
+ * 
  * Contains the Button class, which represents a standard button widget.
- */
+ */ /** */
+
 import { TextBase, EventData } from "../text-base";
 
 /**