Localization update: Added aliases for Norwegian verbs for GWT

To fully complete the Norwegian localization, I've added aliasing for the Norwegian verbs for given-when-then. If added, this allows each step-definition to be fully readable in Norwegian as well as English.

Code wise, the question is if it's acceptable to iterate through all vocabulary properties/keys, or if there needs to be a localized filter (or multiple data structures) to separate [feature, scenario, pending] from [given, when, then] when localized aliases are added.