Author: John Okely
MDL-48772 enrol_cohort: Replace hardcoded language with language strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3a0c9c6306571ac466d291339bccffec3b3ab6c4
http://github.com/moodle/moodle/commit/3a0c9c6306571ac466d291339bccffec3b3ab6c4
+ 2.9 en [enrolxusers,core_enrol]
+ 2.9 en [foundxcohorts,core_enrol]