merge TranslationTask and IOWrapper. Move m_alignmentInfoCollector into IOWrapper
merge TranslationTask and IOWrapper. Move m_searchGraphOutputCollector into IOWrapper
merge TranslationTask and IOWrapper. Move m_detailedTranslationCollector into IOWrapper
merge TranslationTask and IOWrapper. Move m_wordGraphCollector into IOWrapper
only 1 constructor for IOWrapper
sort out suppressSingleBestOutput variable
duplicate n-best stream processing