CC-3612: Stream->Preferences-> inappropriate error message is popped up

-fixed

airtime_mvc/application/forms/GeneralPreferences.php

@@ -33,8 +33,8 @@ class Application_Form_GeneralPreferences extends Zend_Form_SubForm
             'required'   => false,
             'filters'    => array('StringTrim'),
             'validators' => array(array('regex', false,
-                array('/^[0-5][0-9](\.\d{1,6})?$/',
+                array('/^[0-9]{1,2}(\.\d{1,6})?$/',
-                'messages' => 'enter a time in seconds 00{.000000}'))),
+                'messages' => 'enter a time in seconds 0{.000000}'))),
             'value' => $defaultFade,
             'decorators' => array(
                 'ViewHelper'