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

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

mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org