Author: Alexander Bias
MDL-58388 course: Add admin control for course end date default
http://git.moodle.org/gw?p=moodle.git;a=commit;h=33a3ec7c9378e64c6f15c688a3c68a39114aa29d
http://github.com/moodle/moodle/commit/33a3ec7c9378e64c6f15c688a3c68a39114aa29d
+ 3.4 en [courseenddateenabled,core]
+ 3.4 en [courseenddateenabled_desc,core]