wekaDeeplearning4j-v1.4.0-beta

Changelog

• Add a new classifier for sequence data: RnnSequenceClassifier (for now only applicable to text data)
• Add new Layers: LSTM, GravesLSTM, RnnOutputLayer
• Add new iterators for text data (docs):
  • TextEmbeddingInstanceIterator
  • TextFilesEmbeddingInstanceIterator
• Make epoch evaluations in EpochListener optional
• Add dataset CacheMode for performance improvements (docs)
• Various fixes