v0.7.5: replaced all uses of java reflection with LibGDX reflection

SPD-classes/src/main/java/com/watabou/noosa/Game.java

@@ -33,6 +33,7 @@ import com.watabou.input.KeyEvent;
 import com.watabou.noosa.audio.Music;
 import com.watabou.noosa.audio.Sample;
 import com.watabou.utils.PlatformSupport;
+import com.watabou.utils.Reflection;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -187,14 +188,10 @@ public class Game implements ApplicationListener {
 		
 		if (requestedReset) {
 			requestedReset = false;
-
-			try {
-				requestedScene = sceneClass.newInstance();
+			
+			requestedScene = Reflection.newInstance(sceneClass);
+			if (requestedScene != null){
 				switchScene();
-			} catch (InstantiationException e){
-				e.printStackTrace();
-			} catch (IllegalAccessException e) {
-				e.printStackTrace();
 			}
 
 		}

SPD-classes/src/main/java/com/watabou/noosa/Group.java

@@ -23,6 +23,7 @@ package com.watabou.noosa;
 
 import com.watabou.noosa.particles.Emitter;
 import com.watabou.utils.Random;
+import com.watabou.utils.Reflection;
 
 import java.util.ArrayList;
 
@@ -190,11 +191,11 @@ public class Group extends Gizmo {
 			
 		} else {
 			
-			try {
-				return add( c.newInstance() );
-			} catch (Exception e) {
-				Game.reportException(e);
+			g = Reflection.newInstance(c);
+			if (g != null) {
+				return add(g);
 			}
+			
 		}
 		
 		return null;