LearnBoost/engine.io — pull request #39 by jed (2012-08-02 11:40:43+00:00)
Title: Expose same httpServer for .attach as for .listen

When an engine.io instance is created using `listen`, its httpServer is exposed using the `httpServer` property. This same property should be exposed for instances created using `attach` as well, for libraries that need access to the underlying engine http server.