Merge pull request #179 from ahocevar/tile-queue

A tile queue that can be aborted. r=@elemoine,@fredj,@tonio

lib/OpenLayers/Tile/Image.js

@@ -6,6 +6,7 @@
 
 /**
  * @requires OpenLayers/Tile.js
+ * @requires OpenLayers/Animation.js
  */
 
 /**
@@ -220,6 +221,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
      * it can be reused in a new location.
      */
     clear: function() {
+        OpenLayers.Tile.prototype.clear.apply(this, arguments);
         var img = this.imgDiv;
         if (img) {
             OpenLayers.Event.stopObservingElement(img);