Git commits in Moodle 2.8.x by papillon

commit a65ba62f66da2b1fc8358fa680e2416ae942d2dc
Author: papillon <papillon@muf.biglobe.ne.jp>
Date:   Mon, 16 Mar 2015 23:59:11 +0800
Tag:    v2.8.6

MDL-49311 user: fix default sorting problem