set version number to 2.13-rc3

For events other than move, the tile queue may not be populated yet when
updateTimeout is called. So instead of checking for the queue's length,
we register the timer unconditionally in these cases.

lib/OpenLayers.js

@@ -425,4 +425,4 @@
  * When asking questions or reporting issues, make sure to include the output of
  *     OpenLayers.VERSION_NUMBER in the question or issue-description.
  */
-OpenLayers.VERSION_NUMBER="Release 2.13-rc2";
+OpenLayers.VERSION_NUMBER="Release 2.13-rc3";

lib/OpenLayers/Layer/Grid.js

@@ -1100,7 +1100,7 @@ OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
             this.events.triggerEvent("tileloadstart", {tile: tile});
             this.numLoadingTiles++;
             if (!this.singleTile && this.backBuffer && this.gridResolution === this.backBufferResolution) {
-                OpenLayers.Element.addClass(tile.imgDiv, replacingCls);
+                OpenLayers.Element.addClass(tile.getTile(), replacingCls);
             }
         };
       
@@ -1112,13 +1112,14 @@ OpenLayers.Layer.Grid = OpenLayers.Class(OpenLayers.Layer.HTTPRequest, {
                 aborted: aborted
             });
             if (!this.singleTile && !aborted && this.backBuffer && this.gridResolution === this.backBufferResolution) {
-                if (OpenLayers.Element.getStyle(tile.imgDiv, 'display') === 'none') {
+                var tileDiv = tile.getTile();
+                if (OpenLayers.Element.getStyle(tileDiv, 'display') === 'none') {
                     var bufferTile = document.getElementById(tile.id + '_bb');
                     if (bufferTile) {
                         bufferTile.parentNode.removeChild(bufferTile);
                     }
                 }
-                OpenLayers.Element.removeClass(tile.imgDiv, replacingCls);
+                OpenLayers.Element.removeClass(tileDiv, replacingCls);
             }
             //if that was the last tile, then trigger a 'loadend' on the layer
             if (this.numLoadingTiles === 0) {

lib/OpenLayers/SingleFile.js

@@ -7,7 +7,7 @@ var OpenLayers = {
     /**
      * Constant: VERSION_NUMBER
      */
-    VERSION_NUMBER: "Release 2.13-rc2",
+    VERSION_NUMBER: "Release 2.13-rc3",
 
     /**
      * Constant: singleFile

lib/OpenLayers/TileManager.js

@@ -175,7 +175,7 @@ OpenLayers.TileManager = OpenLayers.Class({
      * evt - {Object} Listener argument
      */
     move: function(evt) {
-        this.updateTimeout(evt.object, this.moveDelay);
+        this.updateTimeout(evt.object, this.moveDelay, true);
     },
     
     /**
@@ -272,11 +272,16 @@ OpenLayers.TileManager = OpenLayers.Class({
      * Parameters:
      * map - {<OpenLayers.Map>} The map to update the timeout for
      * delay - {Number} The delay to apply
+     * nice - {Boolean} If true, the timeout function will only be created if
+     *     the tilequeue is not empty. This is used by the move handler to
+     *     avoid impacts on dragging performance. For other events, the tile
+     *     queue may not be populated yet, so we need to set the timer
+     *     regardless of the queue size.
      */
-    updateTimeout: function(map, delay) {
+    updateTimeout: function(map, delay, nice) {
         window.clearTimeout(this.tileQueueId[map.id]);
         var tileQueue = this.tileQueue[map.id];
-        if (tileQueue.length) {
+        if (!nice || tileQueue.length) {
             this.tileQueueId[map.id] = window.setTimeout(
                 OpenLayers.Function.bind(function() {
                     this.drawTilesFromQueue(map);

theme/default/style.css

@@ -506,7 +506,7 @@ a.olControlZoomOut {
 }
 
 /* when replacing tiles, do not show tile and backbuffer at the same time */
-.olTileImage.olTileReplacing {
+.olTileReplacing {
     display: none;
 }