Fixed issue with tilesets not updating correctly.

Author: photonstorm

src/tilemap/Tilemap.js

@@ -300,16 +300,18 @@ Phaser.Tilemap.prototype = {
             img = this.game.cache.getImage(key);
         }
 
-        if (this.getTilesetIndex(tileset) === null && this.format === Phaser.Tilemap.TILED_JSON)
+        var idx = this.getTilesetIndex(tileset);
+
+        if (idx === null && this.format === Phaser.Tilemap.TILED_JSON)
         {
             console.warn('Phaser.Tilemap.addTilesetImage: No data found in the JSON matching the tileset name: "' + key + '"');
             return null;
         }
 
-        if (this.tilesets[tileset])
+        if (this.tilesets[idx])
         {
-            this.tilesets[tileset].setImage(img);
-            return this.tilesets[tileset];
+            this.tilesets[idx].setImage(img);
+            return this.tilesets[idx];
         }
         else
         {

src/tilemap/Tileset.js

@@ -177,7 +177,6 @@ Phaser.Tileset.prototype = {
     */
     setImage: function (image) {
 
-        console.log('Tileset.setImage', image.width, image.height);
         this.image = image;
         this.updateTileData(image.width, image.height);
 
@@ -217,9 +216,6 @@ Phaser.Tileset.prototype = {
         var rowCount = (imageHeight - this.tileMargin * 2 + this.tileSpacing) / (this.tileHeight + this.tileSpacing);
         var colCount = (imageWidth - this.tileMargin * 2 + this.tileSpacing) / (this.tileWidth + this.tileSpacing);
 
-        console.log(imageWidth, imageHeight, rowCount, colCount);
-        console.log('ts', this.tileMargin, this.tileSpacing, 'th', this.tileWidth, this.tileHeight);
-
         if (rowCount % 1 !== 0 || colCount % 1 !== 0)
         {
             console.warn("Phaser.Tileset - image tile area is not an even multiple of tile size");