Fixes some messages and some jar downloads

src/test/java/net/knarcraft/minecraftserverlauncher/userinterface/FakeGUI.java

@@ -10,7 +10,7 @@ public class FakeGUI extends MessageHandler implements GUI {
     }
 
     @Override
-    public void printMessageToGUI(String message) {
+    public void setStatus(String message) {
         System.out.println(message);
     }
 }