Author: Sam Hemelryk
MDL-21724 course: ability to return when editing/creating
http://git.moodle.org/gw?p=moodle.git;a=commit;h=24d0d813e9b6be627421e36b8aa18b8d77fa114a
http://github.com/moodle/moodle/commit/24d0d813e9b6be627421e36b8aa18b8d77fa114a
+ 2.9 en [savechangesandreturn,core]