Git commits in Moodle 2.1.x by Mark Nelson

commit 7ea26a73c44195cf16da2640009059bcb56ed316
Author: Mark Nelson <markn@moodle.com>
Date:   Fri, 09 Nov 2012 19:02:15 +0800
Tag:    v2.1.9

MDL-25948 upgrade: Check that field does not match defaults before editing.

commit 2c53094c6f34aee7c5a81c5ed91cac1ead613bae
Author: Mark Nelson <markn@moodle.com>
Date:   Wed, 07 Nov 2012 16:39:01 +0800
Tag:    v2.1.9

MDL-33791 Portfolio: Fixed security issue with passing file paths.

commit 432615388342273a7ca63d64529be317dd19122c
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 01 Nov 2012 17:49:04 +0800
Tag:    v2.1.9

MDL-25948 upgrade: Fixing issues with upgrade from < 1.7 to 2.x.