Git commits in Moodle 2.1.5 by Jonathon Fowler

commit 0ead433d2059393c1efb96c40f4b795369c681b4
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Mon, 27 Feb 2012 13:25:40 +0800
Tag:    v2.1.5

MDL-28364 handle question formats that support multiple file types

commit ee2e29d19ed70ec1e2324367f9c23610b84893a2
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Thu, 12 Jan 2012 20:41:25 +0800
Tag:    v2.1.5

MDL-31130 question bank: toggling show all / 20 per page broken.