add first version of exernal-dependency-free graph parser

maca_graph_parser/Makefile

maca_graph_parser/array.c

maca_graph_parser/array.h

maca_graph_parser/hash.c

maca_graph_parser/hash.h

maca_graph_parser/maca_alphabet.cc

maca_graph_parser/maca_alphabet.hh

maca_graph_parser/maca_alphabet_wrapper.cc

maca_graph_parser/maca_alphabet_wrapper.h

maca_graph_parser/maca_common.c

maca_graph_parser/maca_common.h

maca_graph_parser/maca_constants.h

maca_graph_parser/maca_graph_parser.c

maca_graph_parser/maca_graph_parser.h

maca_graph_parser/maca_graph_parser_alphabet.c

maca_graph_parser/maca_graph_parser_alphabet.h

maca_graph_parser/maca_graph_parser_conll2007_format.c

maca_graph_parser/maca_graph_parser_conll2007_format.h

maca_graph_parser/maca_graph_parser_corpora.c

maca_graph_parser/maca_graph_parser_corpora.h