update nn translation
update nn translation

Change-Id: I893a1b1b645fff22dd6f0d5f8950ce9af3f072e5

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