update nl translation
update nl translation

Change-Id: I24b44e0d48d26c5ee8189852eb9af282e3c40be8

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