v0.7.2c: adjusted how the game handles config changes

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

@@ -83,7 +83,7 @@ public class Game extends Activity implements GLSurfaceView.Renderer, View.OnTou
 	// callback to perform logic during scene change
 	protected SceneChangeCallback onChange;
 	// New scene class
-	protected Class<? extends Scene> sceneClass;
+	protected static Class<? extends Scene> sceneClass;
 	
 	// Current time in milliseconds
 	protected long now;

core/src/main/AndroidManifest.xml

@@ -28,7 +28,6 @@
 			android:name="com.shatteredpixel.shatteredpixeldungeon.ShatteredPixelDungeon"
 			android:alwaysRetainTaskState="true"
 			android:launchMode="singleInstance"
-			android:configChanges="keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout"
 			android:screenOrientation="nosensor">
 			<intent-filter >
 				<action android:name="android.intent.action.MAIN" />

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/ShatteredPixelDungeon.java

@@ -51,7 +51,7 @@ public class ShatteredPixelDungeon extends Game {
 	public static final int v0_7_2  = 333;
 	
 	public ShatteredPixelDungeon() {
-		super( WelcomeScene.class );
+		super( sceneClass == null ? WelcomeScene.class : sceneClass );
 		
 		//v0.6.3
 		com.watabou.utils.Bundle.addAlias(