update changelog and build

CHANGELOG.md

@@ -154,6 +154,7 @@ Icon API was improved to be more flexible, but one of the changes is backwards-i
  * Fixed a bug in IE6-8 where adding fill or stroke on vector layers after initialization with `setStyle` would break the map. [#641](https://github.com/CloudMade/Leaflet/issues/641)
  * Fixed a bug that broke Leaflet for websites that had XHTML content-type header set (by [lars-sh](https://github.com/lars-sh)). [#801](https://github.com/CloudMade/Leaflet/pull/801)
  * Fixed a bug with setOpacity in IE where it would not work correctly if used more than once on the same element (by [@ajbeaven](https://github.com/ajbeaven)). [#827](https://github.com/CloudMade/Leaflet/pull/827)
+ * Fixed a bug in Chrome where transparent control corners sometimes couldn't be clicked through (by [@danzel](https://github.com/danzel)). [#836](https://github.com/CloudMade/Leaflet/pull/836) [#575](https://github.com/CloudMade/Leaflet/issues/575)
 
 #### Mobile browser bugfixes
 

dist/leaflet-src.js

@@ -5772,12 +5772,14 @@ L.Util.extend(L.DomEvent, {
 
 		obj.addEventListener(touchstart, onTouchStart, false);
 		obj.addEventListener(touchend, onTouchEnd, false);
+		return this;
 	},
 
 	removeDoubleTapListener: function (obj, id) {
 		var pre = '_leaflet_';
 		obj.removeEventListener(obj, obj[pre + 'touchstart' + id], false);
 		obj.removeEventListener(obj, obj[pre + 'touchend' + id], false);
+		return this;
 	}
 });
 
@@ -6391,8 +6393,7 @@ L.Control.Zoom = L.Control.extend({
 			.on(link, 'click', L.DomEvent.stopPropagation)
 			.on(link, 'click', L.DomEvent.preventDefault)
 			.on(link, 'click', fn, context)
-			.on(link, 'dblclick', L.DomEvent.stopPropagation)
-			.on(link, 'dblclick', L.DomEvent.preventDefault);
+			.on(link, 'dblclick', L.DomEvent.stopPropagation);
 
 		return link;
 	}