First implementation of beam search

decoder/include/Decoder.hpp

decoder/src/Decoder.cpp

decoder/src/macaon_decode.cpp

maca_common/include/ProgramParameters.hpp

maca_common/src/ProgramParameters.cpp

transition_machine/include/ActionSet.hpp

transition_machine/include/Classifier.hpp

transition_machine/src/ActionSet.cpp

transition_machine/src/Classifier.cpp