Pontoon: Update Norwegian Bokmål (nb-NO) localization of Pontoon Intro
Pontoon: Update Norwegian Bokmål (nb-NO) localization of Pontoon Intro

Localization authors:
- havar <havar@firefox.no>

jotes/pontoon-intro,jotes/pontoon-intro,mathjazz/pontoon-intro,mathjazz/pontoon-intro,jotes/pontoon-intro,mathjazz/pontoon-intro