SDK:

- clear cache when opening nifty files to reload images

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8106 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-gui/src/com/jme3/gde/gui/multiview/NiftyJmeDisplay.java

@@ -33,6 +33,7 @@
 package com.jme3.gde.gui.multiview;
 
 import com.jme3.asset.AssetManager;
+import com.jme3.asset.DesktopAssetManager;
 import com.jme3.audio.AudioRenderer;
 import com.jme3.niftygui.RenderDeviceJme;
 import com.jme3.niftygui.SoundDeviceJme;
@@ -53,7 +54,8 @@ public class NiftyJmeDisplay extends com.jme3.niftygui.NiftyJmeDisplay implement
                            AudioRenderer audioRenderer,
                            ViewPort vp){
         this.assetManager = assetManager;
-
+        //TODO: move
+        ((DesktopAssetManager)assetManager).clearCache();
         w = vp.getCamera().getWidth();
         h = vp.getCamera().getHeight();