Author: Nathan Nguyen
MDL-39571 repository_recent: query improvement
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a9c139c8d43bb682fd463797c2831db7a68d4fec
http://github.com/moodle/moodle/commit/a9c139c8d43bb682fd463797c2831db7a68d4fec
+ 3.9 en [timelimit,repository_recent]
+ 3.9 en [timelimit_help,repository_recent]