Author: Ryan Wyllie
MDL-46779 editor: add emoji picker atto plugin
http://git.moodle.org/gw?p=moodle.git;a=commit;h=11786e6688f76e40bf40f90d15301f4eddfc422b
http://github.com/moodle/moodle/commit/11786e6688f76e40bf40f90d15301f4eddfc422b
+ 3.8 en [emojipicker,atto_emojipicker]
+ 3.8 en [pluginname,atto_emojipicker]
+ 3.8 en [privacy:metadata,atto_emojipicker]