Git commits in Moodle 2.3.1 by Andreas Grabs

commit e9aa190a3735c837fb665f079ba8fc3b52a24d8f
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Fri, 22 Jun 2012 03:59:03 +0800
Tag:    v2.3.1

MDL-33932_master - added array_unique()


commit 786ad3511cc611aeb22f4c580c20336dd8524fe4
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Sun, 10 Jun 2012 02:30:17 +0800
Tag:    v2.3.1

MDL-33627 - feedback block now show all feedbacks