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

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

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