404 instead of 500 if ProjectLocale doesn't exist (#549)
404 instead of 500 if ProjectLocale doesn't exist (#549)


jotes/pontoon,participedia/pontoon,mathjazz/pontoon,participedia/pontoon,mastizada/pontoon,mozilla/pontoon,mozilla/pontoon,mastizada/pontoon,mathjazz/pontoon,mastizada/pontoon,mozilla/pontoon,mastizada/pontoon,participedia/pontoon,jotes/pontoon,mathjazz/pontoon,mozilla/pontoon,mozilla/pontoon,jotes/pontoon,mathjazz/pontoon,jotes/pontoon,participedia/pontoon,mathjazz/pontoon