Git commits in Moodle 2.4.2 by Eric Merrill

commit 37cb15e6341cefa29735f599f708edb7c575bed9
Author: Eric Merrill <merrill@oakland.edu>
Date:   Tue, 26 Feb 2013 22:48:46 +0800
Tag:    v2.4.2

MDL-35127 mod_assign More efficient use of expensive database queries