Added a program to train an error detector

error_correction/CMakeLists.txt

error_correction/src/macaon_error_correction.cpp

error_correction/src/macaon_train_error_detector.cpp

maca_common/src/util.cpp

transition_machine/include/Config.hpp

transition_machine/src/ActionBank.cpp

transition_machine/src/Config.cpp

transition_machine/src/Oracle.cpp