Merge pull request Flipboard#107 from stlk/feature/support-scroll-offsets

Allow canvas to be clickable on pages with scrolling

Author: Michael Johnston

lib/hitTest.js

@@ -21,6 +21,9 @@ function hitTest (e, rootLayer, rootNode) {
  touchX -= rootNodeBox.left;
  touchY -= rootNodeBox.top;
  }
+
+ touchY = touchY - window.pageYOffset;
+ touchX = touchX - window.pageXOffset;
  return getLayerAtPoint(
  rootLayer,
  e.type,