Author: Paul Nicholls
MDL-43996 editor_atto: add image drag and drop capability
Adds the ability to drag and drop images directly into Atto, uploading the image and embedding it
correctly. Contains fixes from 1.0.2, as well as a policy change - images dragged and dropped into
Atto now have role=presentation by default.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1461aee88ab8899f690571349fee28beecce3cfa
http://github.com/moodle/moodle/commit/1461aee88ab8899f690571349fee28beecce3cfa
+ 2.9 en [uploading,atto_image]