Fixed thread issue on windows

- Added a Platform.runLater on the Visualiser loops so that the notifying observers do not try to call it, where it is a non java-fx loop
#story[881]

visualiser/src/main/java/seng302/VisualiserInput.java

@@ -1,4 +1,5 @@
 package seng302;
+import javafx.application.Platform;
 import org.xml.sax.SAXException;
 import seng302.Mock.*;
 import seng302.Networking.BinaryMessageDecoder;
@@ -294,10 +295,12 @@ public class VisualiserInput implements Runnable {
 
                  //System.out.println("XML Message!");
 
+                 Platform.runLater(()-> {
                      if (xmlMessage.getXmlMsgSubType() == XMLMessage.XMLTypeRegatta) {
                          //System.out.println("Setting Regatta");
                          try {
                              course.setRegattaXMLReader(new RegattaXMLReader(xmlMessage.getXmlMessage()));
+
                          }
                          //TODO REFACTOR should put all of these exceptions behind a RegattaXMLReaderException.
                          catch (IOException | SAXException | ParserConfigurationException e) {
@@ -318,8 +321,7 @@ public class VisualiserInput implements Runnable {
 
                      } else if (xmlMessage.getXmlMsgSubType() == XMLMessage.XMLTypeBoat) {
                          //System.out.println("Setting Boats");
-                     try
-                     {
+                         try {
                              course.setBoatXMLReader(new BoatXMLReader(xmlMessage.getXmlMessage()));
                          }
                          //TODO REFACTOR should put all of these exceptions behind a BoatXMLReaderException.
@@ -329,7 +331,7 @@ public class VisualiserInput implements Runnable {
                          }
 
                      }
-
+                 });
              }
              //RaceStartStatus.
              else if (message instanceof RaceStartStatus) {