Author: Mark Nelson
MDL-68193 core: added new database_text_field_content_replaced event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=390a7cc8d26e0153fd26b57dfe41f8851b1cb5d8
http://github.com/moodle/moodle/commit/390a7cc8d26e0153fd26b57dfe41f8851b1cb5d8
+ 3.8 en [eventdatabasetextfieldcontentreplaced,core]