Print test failures to standard out, added modules subsection to site.

dddsample/pom.xml

         <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
           <version>2.4.2</version>
+          <configuration>
+            <useFile>false</useFile>
+          </configuration>
         </plugin>
       </plugins>
     </pluginManagement>

dddsample/src/site/site.xml

       <item name="Patterns Reference" href="patterns-reference.html"/>
       <item name="Architecture" href="architecture.html" />
       <item name="FAQ" href="faq.html"/>
-      <!--item name="Case study: Handling" href="handlingEventRegistration.html" /-->
     </menu>
     <menu ref="reports"/>
+    <menu ref="modules"/> 
   </body>
 </project>