Git commits in Moodle 2.4.3 by Rossiani Wijaya

commit 7a28bba4d32e6b86b3eb3d6636d2445e9d87711e
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Tue, 12 Mar 2013 14:16:15 +0800
Tag:    v2.4.3

MDL-34011 Lesson module - short answer question:  fixed student attempt statistics

commit 5fe2acd17bda6527cdd65278355f6662399ff712
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Thu, 28 Feb 2013 16:01:40 +0800
Tag:    v2.4.3

MDL-34774 Lesson module: fixed report stats for 'high score' and 'low score' values where there is only one attempt with 0 score