Notification of string changes

Author: Tim Hunt
MDL-58790 quiz editing: translate hard-coded new heading string


http://git.moodle.org/gw?p=moodle.git;a=commit;h=5cbb7bf887a484809f4e190ece92d933e6339ad3
http://github.com/moodle/moodle/commit/5cbb7bf887a484809f4e190ece92d933e6339ad3

+ 3.4 en [newsectionheading,mod_quiz]