Merging with production version
Merge pull request #24 from jacobshapiro/master

Fix the "view X responses" link when multiple enrollments are allowed
Support for groupmembersonly setting, see
https://github.com/ndunand/moodle-mod_choicegroup/issues/22
Merge branch 'master' of https://github.com/ndunand/moodle-mod_choicegroup