Author: Ferran Recio
MDL-72463 courseformat: course index highlight section badge
http://git.moodle.org/gw?p=moodle.git;a=commit;h=96c6dc53cde639f679e6f6744a5d168c7613ff5b
http://github.com/moodle/moodle/commit/96c6dc53cde639f679e6f6744a5d168c7613ff5b
+ 4.0 en [highlighted,core]