Pontoon: Update Dutch (nl) localization of MDN
Pontoon: Update Dutch (nl) localization of MDN

Localization authors:
- Ton <tonnes.mb@gmail.com>

mozilla/kuma,escattone/kuma,a2sheppy/kuma,safwanrahman/kuma,mozilla/kuma,SphinxKnight/kuma,Elchi3/kuma,escattone/kuma,Elchi3/kuma,Elchi3/kuma,yfdyh000/kuma,jwhitlock/kuma,Elchi3/kuma,safwanrahman/kuma,safwanrahman/kuma,jwhitlock/kuma,a2sheppy/kuma,ollie314/kuma,ollie314/kuma,SphinxKnight/kuma,safwanrahman/kuma,yfdyh000/kuma,ollie314/kuma,yfdyh000/kuma,mozilla/kuma,mozilla/kuma,jwhitlock/kuma,jwhitlock/kuma,escattone/kuma,a2sheppy/kuma,jwhitlock/kuma,SphinxKnight/kuma,safwanrahman/kuma,SphinxKnight/kuma,SphinxKnight/kuma,ollie314/kuma,mozilla/kuma,a2sheppy/kuma,ollie314/kuma,a2sheppy/kuma,Elchi3/kuma,safwanrahman/kuma,yfdyh000/kuma,SphinxKnight/kuma,ollie314/kuma,yfdyh000/kuma,yfdyh000/kuma