Git commits in Moodle 2.9.3 by Hugh Davenport

commit 48d8989f13a6320c54b05f7d3ea552356cf85ed6
Author: Hugh Davenport <hugh@catalyst.net.nz>
Date:   Thu, 24 Sep 2015 08:41:04 +0800
Tag:    v2.9.3

MDL-49940 mod_survey: Escape user comments