mehdi : changing rocaille color

src/main/java/view/ViewElement.java

@@ -9,7 +9,7 @@ public enum ViewElement {
   ROAD(Color.BLACK),
   MOUNTAIN(Color.BROWN),
 
-  ROCAILLE(Color.GREEN),
+  ROCAILLE(Color.GRAY),
   MOTORIZEDFIREFIGHTER(Color.PURPLE),
   EMPTY(Color.WHITE);
   final Color color;