update nn translation
update nn translation

Change-Id: I598c83b62a24f0c3a8c91c140a89b023ed84a976

grahamb/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,SwinburneOnline/canvas-lms