polished documentation and finished all Neuron classes

.idea/usage.statistics.xml

src/CMakeLists.txt

src/Neuron/Neuron.cpp

src/Neuron/Neuron.h

src/Neuron/NeuronBinary.cpp

src/Neuron/NeuronBinary.h

src/Neuron/NeuronLinear.cpp

src/Neuron/NeuronLinear.h

src/Neuron/NeuronLogistic.cpp

src/Neuron/NeuronLogistic.h

src/Neuron/NeuronTanh.cpp

src/Neuron/NeuronTanh.h