Git commits in Moodle 2.5.5 by Eric Merrill

commit a48ab57f896ddccf702ca5d5cd6e44a3879b4b94
Author: Eric Merrill <merrill@oakland.edu>
Date:   Fri, 07 Feb 2014 22:29:12 +0800
Tag:    v2.5.5

MDL-44046 gradebook Reduce duplicates returned during sortorder fixing.


commit 68f1f6eeb7f54a7834197e4965b8a9b604ec5f1a
Author: Eric Merrill <merrill@oakland.edu>
Date:   Wed, 05 Feb 2014 22:56:34 +0800
Tag:    v2.5.5

MDL-43946 gradebook upgrade Improve SQL to find duplicate sortorders.