Author: Ferran Recio
MDL-72660 core_courseformat: course index completion icons
http://git.moodle.org/gw?p=moodle.git;a=commit;h=41487c38ed2737fab3e6f0a07ac3e018abf5ccf4
http://github.com/moodle/moodle/commit/41487c38ed2737fab3e6f0a07ac3e018abf5ccf4
+ 4.0 en [done,core_completion]
+ 4.0 en [failed,core_completion]
+ 4.0 en [todo,core_completion]