Allow a content type only once (Only One) (7.x-1.13) - en to ug translation catalogue (4 entries)

en: Save configuration
ug: تەڭشەشنى ساقلاش

en: Content
ug: مەزمۇن

en: The configuration options have been saved.
ug: تەڭشەشلەر ساقلاندى.

en: Language neutral
ug: ھەممەباپ تىل
