Author: Mark Nelson
MDL-41387 tags: changed character case in string used when deleting a course
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f0a60c5f2f8e03eec7fcc06963ac24abf967878b
http://github.com/moodle/moodle/commit/f0a60c5f2f8e03eec7fcc06963ac24abf967878b
+ 2.4 en [deletedcoursetags,core_tag]