Migrate (7.x-2.1-beta1) - en to unknown language translation catalogue (7 entries)

en: Title
target: Titel

en: Message
target: Berjocht

en: Unknown
target: Unbekend

en: Error
target: Flater

en: Warning
target: Warskôging

en: No items selected.
target: Gjin items selektearre.

en: Notice
target: Tink derom
