Author: Mark Nelson
MDL-40922 mod_folder: replaced the 'edit' add_to_log call with an event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=81ec45ea11d992e3520b85476a1847d6b1b81ed4
http://github.com/moodle/moodle/commit/81ec45ea11d992e3520b85476a1847d6b1b81ed4
+ 2.7 en [eventfolderupdated,mod_folder]