Author: Petr Skoda
MDL-22404 bulk user add to cohort
http://git.moodle.org/gw?p=moodle.git;a=commit;h=56284322ea02ba9595825f1a75d651239e5ec5c7
http://github.com/moodle/moodle/commit/56284322ea02ba9595825f1a75d651239e5ec5c7
+ 2.2 en [bulkadd,core_cohort]
+ 2.2 en [bulknocohort,core_cohort]