* Initialises any content decorators configufred for this blog.
*/
private void initDecorators() {
log.debug("Registering decorators");
decoratorChain.add(new HideUnapprovedResponsesDecorator());
for (String className : getContentDecorators()) {
try {
Class<?> c = Class.forName(className.trim());
ContentDecorator decorator = instantiate(c.asSubclass(ContentDecorator.class));