Git commits in Moodle 2.2.8 by Mark Nielsen

commit b3daaada49a2dd83a4f1e832465d5c318f9f275c
Author: Mark Nielsen <mark@moodlerooms.com>
Date:   Mon, 04 Mar 2013 06:52:09 +0800
Tag:    v2.2.8

MDL-36901: Remove system paths from exceptions