Add Grails link.

doc/xdocs/articles.html

@@ -55,6 +55,9 @@
     <li><b><a href="http://iremia.univ-reunion.fr/intranet/wiki/Wiki.jsp?page=DWRandAcegi">Integrating DWR and Acegi Security</a></b>:
 		Explanation on using Acegi Security's MethodSecurityInterceptor with DWR.<br><br>
 	</li>
+    <li><b><a href="http://bbweblog.kevinhooke.com/BBWeblog/viewPost.do?entryID=803&instanceID=1&categoryID=111&action=detail">Securing a Grails application using Spring and Acegi Security</a></b>:
+		How to use Acegi Security with GRails (a Ruby on Rails-like project for Java and Groovy).<br><br>
+	</li>
     <li><b><a href="http://dev.eclipse.org/mhonarc/lists/aspectj-users/msg05355.html">AspectJ with Acegi Security</a></b>:
 		AspectJ with Acegi Security thread on the AspectJ list.<br><br>
 	</li>