arc eager version, still unstable

maca_common/include/word_buffer.h

maca_common/src/mcd.c

maca_common/src/word.c

maca_common/src/word_buffer.c

maca_trans_parser/src/config.c

maca_trans_parser/src/maca_trans_parser_mcf2cff.c

maca_trans_parser/src/movement_parser_arc_eager.c

maca_trans_parser/src/oracle_parser_arc_eager.c