Git commits in Moodle 3.1.2 by Mark Nelson

commit 18af7c0536e1f19dc219e1c9f5bae4e321bd187c
Author: Mark Nelson <markn@moodle.com>
Date:   Tue, 30 Aug 2016 14:47:09 +0800
Tag:    v3.1.2

MDL-55771 core: added title attribute when using JS to render {{pix}}

commit 97e886c5762df8c67cfc4da5afee8e30d024c4b4
Author: Mark Nelson <markn@moodle.com>
Date:   Thu, 25 Aug 2016 16:01:53 +0800
Tag:    v3.1.2

MDL-55717 core: add 'ignoredirty' class to inplace editable