Git commits in Moodle 3.4.0 by Jonathon Fowler

commit 97bb4f755e5f5c8e488ecc7ad7cc932c4e294226
Author: Jonathon Fowler <fowlerj@usq.edu.au>
Date:   Sat, 25 Mar 2017 04:03:04 +0800
Tag:    v3.4.0-beta

MDL-53240 filetypes: Introduce the form element to specify plugin types