Merge pull request #3609 from ProjectMirador/i18n

package.json

src/locales/ar/translation.json

src/locales/de/translation.json

src/locales/en/translation.json

src/locales/fr/translation.json

src/locales/it/translation.json

src/locales/ja/translation.json

src/locales/kr/translation.json

src/locales/lt/translation.json

src/locales/nbNo/translation.json

src/locales/nl/translation.json

src/locales/pl/translation.json

src/locales/ptBr/translation.json

src/locales/sr/translation.json

src/locales/sv/translation.json

src/locales/vi/translation.json

src/locales/zhCn/translation.json

src/locales/zhTw/translation.json