added card images

class/application/MainGUI.fxml

 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.control.Label?>
+<?import javafx.scene.image.ImageView?>
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.layout.HBox?>
-<?import javafx.scene.layout.StackPane?>
-<?import javafx.scene.shape.Rectangle?>
-<?import javafx.scene.text.Font?>
 
 <AnchorPane prefHeight="600.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.Controller">
    <children>
-      <Rectangle fx:id="iconLastCard" arcHeight="5.0" arcWidth="5.0" fill="DODGERBLUE" height="90.0" layoutX="326.0" layoutY="230.0" stroke="BLACK" strokeType="INSIDE" strokeWidth="2.0" width="57.0" />
-      <Label fx:id="labelLastCard" alignment="CENTER" contentDisplay="CENTER" layoutX="326.0" layoutY="256.0" prefHeight="38.0" prefWidth="57.0" text="+4" textAlignment="CENTER" textFill="WHITE">
-         <font>
-            <Font name="System Bold" size="26.0" />
-         </font></Label>
       <HBox fx:id="hboxPlayerDeck" layoutX="83.0" layoutY="450.0" prefHeight="107.0" prefWidth="634.0" />
-      <StackPane fx:id="iconDeck" layoutX="458.0" layoutY="230.0" prefHeight="90.0" prefWidth="57.0" />
+      <ImageView fx:id="iconDeck" fitHeight="90.0" fitWidth="57.0" layoutX="447.0" layoutY="230.0" pickOnBounds="true" preserveRatio="true" />
+      <ImageView fx:id="iconLastCard" fitHeight="90.0" fitWidth="57.0" layoutX="277.0" layoutY="230.0" pickOnBounds="true" preserveRatio="true" />
    </children>
 </AnchorPane>