Pontoon: Update Dutch (nl) localization of Common Voice
Pontoon: Update Dutch (nl) localization of Common Voice

Localization authors:
- Mark Heijl <markh@babelzilla.org>

gozer/voice-web,gozer/voice-web,gozer/voice-web,gozer/voice-web,gozer/voice-web,gozer/voice-web,common-voice/common-voice,common-voice/common-voice,gozer/voice-web,common-voice/common-voice,common-voice/common-voice