Add comment when awarding badge
Comment when awarding badge is optionnal
Comment when awarding badge in workspace
Display awarding badge comment on profile badge page
Merge branch 'master' into add_comment_when_awarding_badge

Conflicts:
	Controller/Administration/BadgeController.php
	Controller/Badge/Tool/WorkspaceController.php
	Manager/BadgeManager.php
Comment is optionnal as if not supply null value is good
Merge pull request #569 from maxailloud/add_comment_when_awarding_badge

Add comment when awarding badge