Git commits in Moodle 2.4.2 by Aparup Banerjee

commit 86c1de421f12d4a5fbbaa4b615dc579374ba420f
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Mon, 18 Feb 2013 16:43:15 +0800
Tag:    v2.4.2

MDL-31636 Added strftimeformat to comment object being passed through to xxx_comment_display() for further time format changes.

commit 5fef447ee35a2cd4be3fda8bb1f6dc9af249f803
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Mon, 18 Feb 2013 16:40:22 +0800
Tag:    v2.4.2

MDL-31636 redirect debugging to error log for ajax

commit 3026cb9910e224cfba326657bc53d3e68be8387f
Author: Aparup Banerjee <aparup@moodle.com>
Date:   Tue, 12 Feb 2013 16:19:40 +0800
Tag:    v2.4.2

MDL-37687 use $SITE to allow non-logged-in users to browse comment via ajax