Git commits in Moodle 2.3.7 by Rossiani Wijaya

commit c0f177f19cff8e83c2af8d36416255372d18f02d
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Fri, 10 May 2013 11:14:52 +0800
Tag:    v2.3.7

MDL-39488: Lesson Module: Fixed the potential variable overwritting for answers

commit b26066bf68ba9b396e1f4ff7d6f9a4b10409cb13
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Wed, 08 May 2013 11:52:31 +0800
Tag:    v2.3.7

MDL-39488 Lesson Module: Improve code performance

commit 9705bfa84f5b22b3a2bc8862962fe51077675c8d
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Wed, 08 May 2013 11:49:45 +0800
Tag:    v2.3.7

MDL-39488 Lesson Module: Fixed PHP error matching question, if one or more options have not been selected.

commit 3cee2ad262b6e025e20235052ada0a6d392d5769
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Thu, 04 Apr 2013 11:04:22 +0800
Tag:    v2.3.7

MDL-38254 Assignment Module: add avaialble message to all assignment types

commit 1d19d5c21911d07d4314415aa0a6fe1c8d4da53c
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Tue, 12 Mar 2013 12:44:06 +0800
Tag:    v2.3.7

MDL-30438 Lesson Module: fixed input text editable capability after checking/unchecking unmask option for all browsers except IE8 or lower

commit f1192522c824b52f97490a32a835697cb73a70cb
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Mon, 11 Mar 2013 13:09:23 +0800
Tag:    v2.3.7

MDL-30438 Lesson Module: improve password field to disabled when password protect is set to no.