code refactoring

reading_machine/src/Classifier.cpp

torch_modules/include/CNN.hpp

torch_modules/include/CNNNetwork.hpp

torch_modules/include/ConcatWordsNetwork.hpp

torch_modules/include/ContextLSTM.hpp

torch_modules/include/DepthLayerTreeEmbedding.hpp

torch_modules/include/FocusedColumnLSTM.hpp

torch_modules/include/LSTM.hpp

torch_modules/include/LSTMNetwork.hpp

torch_modules/include/MLP.hpp

torch_modules/include/NeuralNetwork.hpp

torch_modules/include/RLTNetwork.hpp

torch_modules/include/RandomNetwork.hpp

torch_modules/include/RawInputLSTM.hpp

torch_modules/include/SplitTransLSTM.hpp

torch_modules/include/Submodule.hpp

torch_modules/src/CNN.cpp

torch_modules/src/CNNNetwork.cpp

torch_modules/src/ConcatWordsNetwork.cpp

torch_modules/src/ContextLSTM.cpp