The admin can display the workspace user list.
Messages can be sent on workspace registration.
typo
Merge pull request #437 from ngodfraind/send-mail-on-workspace-registration

Messages can be sent on workspace registration.
Merge branch 'master' of github.com:claroline/CoreBundle into user-ws-list

Conflicts:
	Resources/translations/platform.en.yml
	Resources/translations/platform.fr.yml
typo
Merge pull request #435 from ngodfraind/user-ws-list

The admin can display the workspace user list.