Author: Petr Skoda
MDL-26965 add support for uploading of users to cohorts via csv
http://git.moodle.org/gw?p=moodle.git;a=commit;h=92b59a56d19b2e9ea733a33d45af93842b195880
http://github.com/moodle/moodle/commit/92b59a56d19b2e9ea733a33d45af93842b195880
+ 2.2 en [external,core_cohort]
+ 2.2 en [unknowncohort,core_cohort]
+ 2.2 en [useradded,core_cohort]