History/routing is partly broken

[thijsw]

Thanks for this demo project.

I was looking how routing is being handled in combination with the browser history API, but I guess it does not work completely as you'd expect.

When you navigate to a page, go back with the browsers back-button, you cannot go forward.

Steps to reproduce

1. Open app and click a link
2. Push the back button to go to initial page
3. Observe that the "forward button" in the browser is not active, albeit it should be