Fix feed generation to use descending order (so most recent items come first)

git-svn-id: http://scm.dspace.org/svn/repo/branches/dspace-1_5_x@2489 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace-jspui/src/main/java/org/dspace/app/webui/servlet/FeedServlet.java

@@ -329,8 +329,9 @@ public class FeedServlet extends DSpaceServlet
                 if (so.getName().equals(idx))
                     scope.setSortBy(so.getNumber());
             }
+            scope.setOrder(SortOption.DESCENDING);
     		
-    		// the feed
+            // the feed
     		Channel channel = new Channel();
     		
     		//Special Case: if DSpace Object passed in is null,