Neural Network interface working

CMakeLists.txt

MLP/CMakeLists.txt

MLP/include/MLP.hpp

MLP/src/MLP.cpp

neural_network/CMakeLists.txt

neural_network/include/MLP.hpp

neural_network/include/NeuralNetwork.hpp

neural_network/src/MLP.cpp

neural_network/src/NeuralNetwork.cpp

transition_machine/CMakeLists.txt

transition_machine/include/Classifier.hpp

transition_machine/src/Classifier.cpp