Git commits in Moodle 2.2.8 by Mark Nelson

commit 01dd8c9b0796b6868bf9ba288d99c3edde3e496d
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 14 Feb 2013 15:30:14 +0800
Tag:    v2.2.8

MDL-38003 upgrade: ensure specific columns are set to not null during upgrade from < 1.7 to 2.x

commit ba3f753cf7ef28fcae7c731475667134b8f0885f
Author: Mark Nelson <markn@moodle.com>
Date:   Mon, 21 Jan 2013 17:53:44 +0800
Tag:    v2.2.8

MDL-33652 mod_resource: fixed issue with max filenames in 1.9 breaking temp column during upgrade