added: date_creation and date_modification to items

changed: function 'run' is using a template: fun_run.html
         there is: [item_run] called from this template


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@489 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/item.h

@@ -24,6 +24,8 @@ long user_id;
 long group_id;
 int privileges;
 
+tm date_creation;
+tm date_modification;
 
 std::string subject;
 std::string content;
@@ -82,6 +84,10 @@ void Clear()
 	default_item = -1;
 
 	content_id = -1;
+	
+	time_t t = std::time(0);
+	date_creation = *std::localtime( &t );
+	date_modification = date_creation;
 }