Author: Yair Spielmann
MDL-52811 course: Require course:setforcedlanguage to force language.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ecce451878dac9402a6c1be7575d634d72dacb95
http://github.com/moodle/moodle/commit/ecce451878dac9402a6c1be7575d634d72dacb95
+ 3.5 en [course:setforcedlanguage,core_role]