added Tile getters/setters

src/main/java/latice/model/Tile.java

@@ -8,4 +8,12 @@ public class Tile {
 		this.color = color;
 		this.shape = shape;
 	}
+
+	public Color getColor() {
+		return color;
+	}
+
+	public Shape getShape() {
+		return shape;
+	}
 }