Added recent_changes module.

Revisited hooks management, and added new CMS_HOOK_MANAGER.
Added admin, and other link into navigation menu that goes into first sidebar.
Fixed theme info, and template for sidebar ids.
Better css class name for cms node content.

modules/node/handler/node_handler.e

@@ -274,7 +274,6 @@ feature {NONE} -- Trash:Restore
 			r: GENERIC_VIEW_CMS_RESPONSE
 			b: STRING
 			n: CMS_NODE
-			l_link: CMS_LOCAL_LINK
 		do
 			if attached {WSF_STRING} req.path_parameter ("id") as l_id then
 				if