update

src/main/java/BattleShip/BSButton.java

@@ -7,4 +7,12 @@ public class BSButton extends JButton {
     int gridLocation;
     Ship cellContents = null;
 
+    public void setGridLocation(int l) {
+        gridLocation = l;
+    }
+
+    public int getGridLocation() {
+        return gridLocation;
+    }
+
 }