Git commits in Moodle 2.2.2 by Rossiani Wijaya

commit 4fbf7ca46cfb58514e56e40372eb2360fa9a4ba2
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Thu, 23 Feb 2012 15:08:21 +0800
Tag:    v2.2.2

MDL-31399 Lesson Module: Fixed horizontal scroll bar issue when using rtl language format (eg: arabic)

commit 9551675cf96ec1bcd22b1f2d05a641c3329764f9
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Tue, 21 Feb 2012 12:38:33 +0800
Tag:    v2.2.2

MDL-30910: Lesson Module: fix lesson progress bar for screen readers AMOS BEGIN    CPY [progresscompleted, mod_lesson] AMOS END

commit 254a642146e8fd0ec308761c7596015a3b6e3637
Author: Rossiani Wijaya <rwijaya@moodle.com>
Date:   Mon, 13 Feb 2012 11:29:39 +0800
Tag:    v2.2.2

MDL-30911: mod_lesson: fix sub-heading level to be lower than lesson title. This issue is an improvement of accessibility compliance