Fixed null pointer exception when a boat finishes the race.

Boats now default to have position (0, 0).
Added mark rounding data to single player race.xml

racevisionGame/src/main/java/shared/dataInput/RaceXMLReader.java

@@ -363,7 +363,7 @@ public class RaceXMLReader extends XMLReader implements RaceDataSource {
             CompoundMark currentCompoundMark = this.compoundMarkMap.get(cornerID);
 
             //Sets the rounding type of this compound mark
-            currentCompoundMark.setRoundingType(RoundingType.valueOf(cornerRounding));
+            currentCompoundMark.setRoundingType(RoundingType.getValueOf(cornerRounding));
 
             //Create a leg from these two adjacent compound marks.
             Leg leg = new Leg(legName, lastCompoundMark, currentCompoundMark, i - 1);

racevisionGame/src/main/java/shared/model/Boat.java

@@ -82,6 +82,7 @@ public class Boat {
     /**
      * The time at which the boat is estimated to reach the next mark, in milliseconds since unix epoch.
      */
+    @Nullable
     private ZonedDateTime estimatedTimeAtNextMark;
 
     /**
@@ -106,6 +107,8 @@ public class Boat {
 
         this.bearing = Bearing.fromDegrees(0d);
 
+        setCurrentPosition(new GPSCoordinate(0, 0));
+
         this.status = BoatStatusEnum.UNDEFINED;
     }
 
@@ -365,6 +368,7 @@ public class Boat {
      * Returns the time at which the boat should reach the next mark.
      * @return Time at which the boat should reach next mark.
      */
+    @Nullable
     public ZonedDateTime getEstimatedTimeAtNextMark() {
         return estimatedTimeAtNextMark;
     }

racevisionGame/src/main/java/shared/model/Race.java

@@ -342,13 +342,7 @@ public abstract class Race {
         return  lastFps;
     }
 
-    /**
-     * Returns the legs of this race
-     * @return list of legs
-     */
-    public List<Leg> getLegs() {
-        return legs;
-    }
+
 
     /**
      * Increments the FPS counter, and adds timePeriod milliseconds to our FPS reset timer.