Rewrote all kind of marks to fit marks specified in AC35 spec.

- added compound mark
- added corner
- rewrote mark as a single mark
- added rounding type enum

#story[828]

src/main/java/seng302/server/simulator/mark/Mark.java

@@ -0,0 +1,54 @@
+package seng302.server.simulator.mark;
+
+/**
+ * An abstract class to represent general marks
+ * Created by Haoming Yin (hyi25) on 17/3/17.
+ */
+public class Mark {
+
+    private int seqID;
+    private String name;
+    private double lat;
+    private double lng;
+    //private int sourceID;
+
+    public Mark(String name, double lat, double lng) {
+        this.name = name;
+        this.lat = lat;
+        this.lng = lng;
+    }
+
+    public int getSeqID() {
+        return seqID;
+    }
+
+    public void setSeqID(int seqID) {
+        this.seqID = seqID;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getLat() {
+        return lat;
+    }
+
+    public void setLat(double lat) {
+        this.lat = lat;
+    }
+
+    public double getLng() {
+        return lng;
+    }
+
+    public void setLng(double lng) {
+        this.lng = lng;
+    }
+}
+
+