Get rid of ol.FeatureOverlay

This also introduces a wrapX option to the Draw, Modify and Select
interaction.

src/ol/renderer/dom/domvectorlayerrenderer.js

@@ -165,8 +165,8 @@ ol.renderer.dom.VectorLayer.prototype.dispatchEvent_ =
     var render = new ol.render.canvas.Immediate(
         context, frameState.pixelRatio, frameState.extent, transform,
         frameState.viewState.rotation);
-    var event = new ol.render.Event(type, layer, render, null,
-        frameState, context, null);
+    var event = new ol.render.Event(type, layer, render, frameState,
+        context, null);
     layer.dispatchEvent(event);
     render.flush();
   }