Author: CORDEL Yannick
MDL-76022 enrol_manual: Manual user enrolment includes group
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0496d985ada78d0e5b53694c6036689c216177d7
http://github.com/moodle/moodle/commit/0496d985ada78d0e5b53694c6036689c216177d7
+ 5.1 en [addtogroup,enrol_manual]
+ 5.1 en [showgroups,enrol_manual]