added a tagger with a limited form of backtrack

CMakeLists.txt

maca_trans_parser/CMakeLists.txt

maca_trans_parser/src/config.c

maca_trans_parser/src/config.h

maca_trans_parser/src/feat_fct.c

maca_trans_parser/src/feat_fct.h

maca_trans_parser/src/feat_lib.c

maca_trans_parser/src/maca_trans_tagger.c

maca_trans_parser/src/maca_trans_tagger_mcf2cff.c

maca_trans_parser/src/maca_trans_tagger_mcf2cff_bt.c

maca_trans_parser/src/movement_tagger.c

maca_trans_parser/src/movement_tagger.h

maca_trans_parser/src/oracle_tagger.c

maca_trans_parser/src/oracle_tagger.h

maca_trans_parser/src/simple_decoder_tagger.c

maca_trans_parser/src/simple_decoder_tagger_bt.c

perceptron/lib/src/feature_table.c