increase default max single pass light batch limit to 32

Author: riccardobl

jme3-core/src/main/java/com/jme3/renderer/RenderManager.java

@@ -109,7 +109,7 @@ public class RenderManager {
     private LightFilter lightFilter = new DefaultLightFilter();
     private TechniqueDef.LightMode preferredLightMode = TechniqueDef.LightMode.MultiPass;
     private int singlePassLightBatchSize = 1;
-    private int maxSinglePassLightBatchSize = 16;
+    private int maxSinglePassLightBatchSize = 32;
     private final MatParamOverride boundDrawBufferId = new MatParamOverride(VarType.Int, "BoundDrawBuffer", 0);
     private Predicate<Geometry> renderFilter;