Pontoon: Update Dutch (nl) localization of Firefox Screenshots
Pontoon: Update Dutch (nl) localization of Firefox Screenshots

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

mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots