version bump for security release

version.php

@@ -22,9 +22,9 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
-$module->version  = 2013082900;
+$module->version  = 2013082901;
 $module->requires = 2013040500;
-$module->release = '2.5.1';
+$module->release = '2.5.2';
 $module->maturity  = MATURITY_STABLE;
 $module->cron     = 0;
 $module->component = 'mod_attendance';