Fix LoaderLayer bug

Author: pandamicro

extensions/runtime/CCLoaderLayer.js

@@ -135,7 +135,7 @@ cc.LoaderLayer = cc.Layer.extend({
         //tips
         if (config.tips.show) {
             this.tipsLabel = new cc.LabelTTF("100%", "Arial", config.tips.fontSize);
-            this.tipsLabel.setColor(config.tips.color);
+            this.tipsLabel.setColor(config.tips.color ? config.tips.color : cc.color(255, 255, 255));
             this.tipsLabel.setPosition(config.tips.position ? config.tips.position : this.progressBackgroundSprite ? cc.p(this.progressBackgroundSprite.x, this.progressBackgroundSprite.y + this.progressBackgroundSprite.height / 2 + 20) : cc.pAdd(cc.visibleRect.bottom, cc.p(0, 100)));
             this._contentLayer.addChild(this.tipsLabel);
         }
@@ -470,7 +470,7 @@ cc.LoaderLayer.preload = function (groupname, callback, target) {
 
 cc.LoaderLayer._useDefaultSource = true;
 cc.LoaderLayer._isDefaultProgress = true;
-cc.LoaderLayer._finalConfig = cc.LoaderLayer._confg;
+cc.LoaderLayer._finalConfig = cc.LoaderLayer._config;
 cc.LoaderLayer.groups = {};
 cc.LoaderLayer.setUseDefaultSource = function (status) {
     cc.LoaderLayer._useDefaultSource = status;