+ caches_action :list, :unless => :logged_in?, :layout => false
+ caches_action :view, :layout => false
+ caches_action :georss, :layout => true
+ cache_sweeper :trace_sweeper, :only => [:create, :edit, :delete, :api_create]
+ cache_sweeper :tracetag_sweeper, :only => [:create, :edit, :delete, :api_create]
+