Git commits in Moodle 2.6.6 by zbdd

commit 0df8bfefd1224e988266739ce017bac2283dbd60
Author: zbdd <zdurber@gmail.com>
Date:   Fri, 29 Aug 2014 10:19:37 +0800
Tag:    v2.6.6

MDL-42993 auth: spaces removed from usernames by default only