Pontoon: Update Norwegian Nynorsk (nn-NO) localization of Pontoon Intro
Pontoon: Update Norwegian Nynorsk (nn-NO) localization of Pontoon Intro

Localization authors:
- bjorn.svindseth <bjorn.svindseth@online.no>

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