Git commits in Moodle 2.2.6 by Iñaki Arenaza

commit 4496dcc6313b4508ff9f9ba63db235c79e062b6d
Author: Iñaki Arenaza <iarenaza@mondragon.edu>
Date:   Fri, 27 Apr 2012 06:23:42 +0800
Tag:    v2.2.6

MDL-31968 Make NTLM REMOTE_USER format configurable by the admin