Display team name and speed beside boat

- Also slowed down the AnimationTimer
- Removed the need to scale the canvas

Tags: #implement #story[18] #story[19]

src/main/java/seng302/models/Boat.java

@@ -97,4 +97,8 @@ public class Boat {
     public Color getColor() {
         return color;
     }
+
+    public double getSpeedInKnots(){
+        return Math.round((this.velocity * 1.94384) * 100d) / 100d;
+    }
 }

src/main/java/seng302/models/Race.java

@@ -16,7 +16,7 @@ public class Race {
     private long startTime = 0;
     private double timeScale = 1;
     private boolean raceFinished = false; // Race is finished
-    private int raceTime = -10; // Current time in the race
+    private int raceTime = -2; // Current time in the race
 
     /**
      * Race class containing the boats and legs in the race