Minimal Stemmer for Norwegian Bokmål (no-nb) and Nynorsk (no-nn)

Stems known plural forms for Norwegian nouns only, together with genitiv -s

 /// <summary>
 /// Creates a new NorwegianLightStemFilter </summary>
 /// <param name="flags"> set to <seealso cref="NorwegianLightStemmer#BOKMAAL"/>,
 ///                     <seealso cref="NorwegianLightStemmer#NYNORSK"/>, or both. </param>
 public NorwegianMinimalStemFilter(TokenStream input, int flags)
     : base(input)
 {
     this.stemmer = new NorwegianMinimalStemmer(flags);
     termAtt      = AddAttribute <ICharTermAttribute>();
     keywordAttr  = AddAttribute <IKeywordAttribute>();
 }
 /// <summary>
 /// Creates a new NorwegianLightStemFilter </summary>
 /// <param name="flags"> set to <seealso cref="NorwegianLightStemmer#BOKMAAL"/>, 
 ///                     <seealso cref="NorwegianLightStemmer#NYNORSK"/>, or both. </param>
 public NorwegianMinimalStemFilter(TokenStream input, int flags)
       : base(input)
 {
     this.stemmer = new NorwegianMinimalStemmer(flags);
     termAtt = AddAttribute<ICharTermAttribute>();
     keywordAttr = AddAttribute<IKeywordAttribute>();
 }