Git commits in Moodle 2.6.2 by Kevin Wiliarty

commit 414fcf2584f15141d98a835efe0014b66d83cb52
Author: Kevin Wiliarty <kevin.wiliarty@gmail.com>
Date:   Wed, 21 Aug 2013 05:48:10 +0800
Tag:    v2.6.2

MDL-39942: invite only users who can post to discuss