update nl translation
update nl translation

Change-Id: Ic279c0bf2d55c8f7ab0cec60730e10a98b8726ec

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