Author: Davo Smith
MDL-22504 Fixed issues raised by Sam Hemelryk
http://git.moodle.org/gw?p=moodle.git;a=commit;h=abed5d655f7e8c69b233f53efb897c260082666b
http://github.com/moodle/moodle/commit/abed5d655f7e8c69b233f53efb897c260082666b
+ 2.3 en [fileuploadwithcontent,dndupload]
+ 2.3 en [moddoesnotsupporttype,dndupload]