Author: Mark Nelson
MDL-40061 mod_data: replaced 'fields add' add_to_log call with an event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e0d7ed6dae950098ec242c3c220efb27865b9297
http://github.com/moodle/moodle/commit/e0d7ed6dae950098ec242c3c220efb27865b9297
+ 2.7 en [eventfieldcreated,mod_data]