Git commits in Moodle 2.1.4 by Alexnader Bias

commit a865f4315694fdad4dadb29def7c385df70ddbd9
Author: Alexnader Bias <alexander.bias@uni-ulm.de>
Date:   Tue, 13 Dec 2011 13:17:43 +0800
Tag:    v2.1.4

MDL-30472 Course Making user lists sortable when lastacess field is hidden