clicking on compass sets the heading direction to north

public/static/js/game.js

@@ -955,4 +955,8 @@
     document.getElementById('returnToStart').onclick = function () {
         Game.loadPano(Game.panoId, Game.pov);
     }
+
+    document.getElementById('compassContainer').onclick = function () {
+        Game.panorama.setPov({ heading: 0, pitch: Game.panorama.getPov().pitch });
+    }
 })();