Added newlines to xml created by mock

#story[778]

mock/src/main/java/seng302/Data/BoatData.java

@@ -10,6 +10,7 @@ import seng302.Model.Boat;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.OutputKeys;
 import javax.xml.transform.Transformer;
 import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
@@ -56,6 +57,8 @@ public class BoatData {
             // write the content into xml file
             TransformerFactory transformerFactory = TransformerFactory.newInstance();
             Transformer transformer = transformerFactory.newTransformer();
+            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
             DOMSource source = new DOMSource(doc);
 
             //Serialize document.
@@ -63,6 +66,8 @@ public class BoatData {
             StreamResult result = new StreamResult(stringWriter);
             transformer.transform(source, result);
 
+
+            System.out.println(stringWriter.toString());
             return stringWriter.toString();