Fix bug 1493137: Prevent duplicate translation submissions (#1086)
Fix bug 1493137: Prevent duplicate translation submissions (#1086)


mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,jotes/pontoon,mozilla/pontoon,mozilla/pontoon,mathjazz/pontoon,mathjazz/pontoon,jotes/pontoon,mozilla/pontoon,mathjazz/pontoon