Author: Sara Arjona
MDL-71165 course: core_course_update_course external method
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6347b916bcb59e019eba5d31124669e3ebdb96ee
http://github.com/moodle/moodle/commit/6347b916bcb59e019eba5d31124669e3ebdb96ee
+ 4.0 en [emptycmids,core]
+ 4.0 en [emptysectionids,core]
+ 4.0 en [unexistingcmid,core]
+ 4.0 en [unexistingsectionid,core]