code refactoring

INSTALL

maca_common/include/util.h

maca_common/src/form2pos.c

maca_common/src/util.c

maca_lemmatizer/src/maca_lemmatizer.c

maca_trans_parser/src/context.c

maca_trans_parser/src/context.h

maca_trans_parser/src/decode.c

maca_trans_parser/src/decode_tagger.c

maca_trans_parser/src/depset.c

maca_trans_parser/src/maca_trans_parser_conll2cff.c

maca_trans_parser/src/maca_trans_parser_conll2cff_tagger.c

maca_trans_parser/src/queue.c

maca_trans_parser/src/simple_decoder_tagger.c

maca_trans_parser/src/word.c