Author: Rajesh Taneja
MDL-40043 Events API: Added course_section_updated event to replace add_to_log
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ed29bf0f661623f74b743cb8128a9d89efe643fa
http://github.com/moodle/moodle/commit/ed29bf0f661623f74b743cb8128a9d89efe643fa
+ 2.6 en [eventcoursesectionupdated,core]