Plupload integration (7.x-1.5) - en to cy translation catalogue (5 entries)

en: Status
cy: Statws

en: Size
cy: Maint

en: Unknown
cy: Anhysbys

en: Media
cy: Cyfryngau

en: For security reasons, your upload has been renamed to %filename.
cy: Am resymau diogelwch, mae eich llwythiad i fyny wedi ei ailenwi i %filename.
