Refactored the setup for MarkObjects (now renamed Markers) and made the CompoundMark + Mark + GeoPoint classes the standard across all classes instead of GateMark + SingleMark + Mark.

#refactor

src/main/java/seng302/model/Limit.java

@@ -3,27 +3,16 @@ package seng302.model;
 /**
  * Stores data on the border of a race
  */
-public class Limit {
+public class Limit extends GeoPoint {
 
     private Integer seqID;
-    private Double lat;
-    private Double lng;
 
     public Limit(Integer seqID, Double lat, Double lng) {
+        super(lat, lng);
         this.seqID = seqID;
-        this.lat = lat;
-        this.lng = lng;
     }
 
     public Integer getSeqID() {
         return seqID;
     }
-
-    public Double getLat() {
-        return lat;
-    }
-
-    public Double getLng() {
-        return lng;
-    }
 }