Implemented boats spawning in parallel at the start line with spacing.

Added two more colours to support up to eight boats.

#story[1117]

src/main/java/seng302/model/Colors.java

@@ -6,12 +6,12 @@ import javafx.scene.paint.Color;
  * Enum for generating colours.
  */
 public enum Colors {
-    RED, PERU, SEAGREEN, GREEN, BLUE, PURPLE;
+    RED, PERU, GOLD, GREEN, BLUE, PURPLE, DEEPPINK, GRAY;
 
     static Integer index = 0;
 
     public static Color getColor() {
-        if (index == 6) {
+        if (index == 8) {
             index = 0;
         }
         return Color.valueOf(values()[index++].toString());

src/main/java/seng302/model/Yacht.java

@@ -406,4 +406,8 @@ public class Yacht {
     public void addLocationListener (YachtLocationListener listener) {
         locationListeners.add(listener);
     }
+
+    public void setLocation(GeoPoint geoPoint) {
+        location = geoPoint;
+    }
 }