Author: Mathew May
MDL-68955 mod_h5pactivity: Enable dndupload to H5P activity
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e0c41c04493b75e5842a6f0cb4c028ec1b0f2c84
http://github.com/moodle/moodle/commit/e0c41c04493b75e5842a6f0cb4c028ec1b0f2c84
+ 3.9 en [dnduploadh5pactivity,mod_h5pactivity]