dump.php

1. 檔案內有關 txt 字串，都改成 csv。

   [root@moodle grade]# diff -urNwbBE export/txt/dump.php export/csv/dump.php
   --- export/txt/dump.php	2009-11-02 08:01:07.000000000 +0800
   +++ export/csv/dump.php	2013-03-25 13:40:18.000000000 +0800
   @@ -30,7 +30,7 @@
    }
    
    $context = get_context_instance(CONTEXT_COURSE, $id);
   -require_capability('gradeexport/txt:publish', $context);
   +require_capability('gradeexport/csv:publish', $context);
    
    // use the same page parameters as export.php and append &key=sdhakjsahdksahdkjsahksadjksahdkjsadhksa
    require 'export.php';