Author: Mark Nelson
MDL-47900 tool_monitor: created list of rules MUC
http://git.moodle.org/gw?p=moodle.git;a=commit;h=475635f52dbd9d42e25602131e2ad8bed6b5ecd0
http://github.com/moodle/moodle/commit/475635f52dbd9d42e25602131e2ad8bed6b5ecd0
+ 2.8 en [cachedef_rules,tool_monitor]