Update no_NO.lang

My, oh my... What a train-wreck of a translation. Not a single category was without severe grammar mistakes, as well as about 50% of the words not really translated. It would be a disgrace to an amazing mod to have this implemented. 
Thank you for letting me fix things up :)
Merge pull request #77 from NikolaiNyegaard/patch-2

Update no_NO.lang