Created Mercator projection to convert between Geo location and planar projection point.

- MapGeo and MapPoint encapsulate geo location and planar projection point into classes.

#story[928]

src/main/java/seng302/models/map/MapGeo.java

@@ -0,0 +1,27 @@
+package seng302.models.map;
+
+class MapGeo {
+
+	private double lat, lng;
+
+	MapGeo(double lat, double lng) {
+		this.lat = lat;
+		this.lng = lng;
+	}
+
+	double getLat() {
+		return lat;
+	}
+
+	void setLat(double lat) {
+		this.lat = lat;
+	}
+
+	double getLng() {
+		return lng;
+	}
+
+	void setLng(double lng) {
+		this.lng = lng;
+	}
+}