Git commits in Moodle 2.5.7 by Kevin Wiliarty

commit ebf7626db9cbff8b7d7d33cd4348899ff687f96b
Author: Kevin Wiliarty <kevin.wiliarty@gmail.com>
Date:   Fri, 09 May 2014 00:37:13 +0800
Tag:    v2.5.7

MDL-45483 mod_forum: corrects values for maxattachments in forum settings