Add java.util.random seed as initial parameter

- prepare for short save allowing to fully recreate initial lab
having only seed and x,y,depth paramters

java/org/artisanlogiciel/games/Main.java

@@ -16,7 +16,8 @@ public class Main
 
     public LabyMap generate2(MazeParamEditor params)
     {
-        LabyModel model = new LabyModel(params, new java.util.Random(1024L));
+        params.setSeed(1024L);
+        LabyModel model = new LabyModel(params);
         model.generateWithEntry(0, 0);
 
 	final int width = params.getWidth();