deeplearning4j-data org.deeplearning4j 1.0.0-beta 4.0.0 deeplearning4j-datasets jar deeplearning4j-datasets org.datavec datavec-data-image ${datavec.version} org.deeplearning4j deeplearning4j-datavec-iterators ${project.version} test-nd4j-native test-nd4j-cuda-9.1