Added train option lineByLine

decoder/include/Decoder.hpp

decoder/src/Decoder.cpp

decoder/src/MacaonDecode.cpp

reading_machine/include/BaseConfig.hpp

reading_machine/src/BaseConfig.cpp

reading_machine/src/Config.cpp

reading_machine/src/SubConfig.cpp

reading_machine/src/Transition.cpp

trainer/include/Trainer.hpp

trainer/src/MacaonTrain.cpp

trainer/src/Trainer.cpp