Some bugs fixed in algorithms/ and xml/.
Reindendation made on modified files.

- include/vaucanson/automata/implementation/graph.hh: Rename partially
since a graph should consider `edge's and not `transition's.

- include/vaucanson/xml/xml_chooser.hh,
- include/vaucanson/xml/node.hh,
- include/vaucanson/xml/xml_converter.hh,
- include/vaucanson/xml/xml_chooser.hxx,
- include/vaucanson/xml/node.hxx,
- include/vaucanson/xml/xml_converter.hxx,
- include/vaucanson/tools/gen_book.hxx,
- include/vaucanson/tools/dot_format.hxx,
- include/vaucanson/tools/simple_format.hxx,
- include/vaucanson/tools/gen_random.hh,
- include/vaucanson/tools/gen_random.hxx,
- include/vaucanson/tools/fsm_dump.hxx,
- include/vaucanson/tools/usual_macros.hh,
- include/vaucanson/tools/io.hh,
- include/vaucanson/tools/io.hxx,
- include/vaucanson/algorithms/minimization_hopcroft.hxx,
- include/vaucanson/algorithms/extension.hxx,
- include/vaucanson/algorithms/standard_of.hxx,
- include/vaucanson/algorithms/forward_realtime.hxx,
- include/vaucanson/algorithms/sum.hh,
- include/vaucanson/algorithms/cut_up.hxx,
- include/vaucanson/algorithms/backward_realtime.hxx,
- include/vaucanson/algorithms/realtime.hxx,
- include/vaucanson/algorithms/letter_to_letter_composition.hxx,
- include/vaucanson/algorithms/internal/build_pattern.hxx,
- include/vaucanson/algorithms/internal/skeleton.hh,
- include/vaucanson/algorithms/internal/skeleton.hxx,
- include/vaucanson/algorithms/fmp_to_realtime.hxx,
- include/vaucanson/algorithms/realtime_to_fmp.hxx,
- include/vaucanson/algorithms/closure.hxx,
- include/vaucanson/algorithms/product.hxx,
- include/vaucanson/algorithms/realtime_composition.hxx,
- include/vaucanson/algorithms/is_letterized.hxx,
- include/vaucanson/algorithms/aut_to_exp.hxx,
- include/vaucanson/algorithms/evaluation.hxx,
- include/vaucanson/algorithms/thompson.hxx,
- include/vaucanson/algorithms/minimization_moore.hxx,
- include/vaucanson/algorithms/sub_normalize.hxx,
- include/vaucanson/algorithms/determinize.hxx,
- include/vaucanson/algorithms/concatenate.hxx,
- include/vaucanson/algorithms/isomorph.hxx,
- include/vaucanson/algorithms/standard.hxx,
- include/vaucanson/algorithms/projections_fmp.hxx,
- include/vaucanson/algorithms/normalized.hxx,
- include/vaucanson/algorithms/complete.hxx,
- include/vaucanson/algorithms/projection.hxx,
- include/vaucanson/algorithms/eval.hxx,
- include/vaucanson/algorithms/normalized_composition.hxx,
- include/vaucanson/algorithms/is_realtime.hxx,
- include/vaucanson/algorithms/fmp_to_realtime.hh,
- include/vaucanson/algorithms/realtime_to_fmp.hh,
- include/vaucanson/algorithms/is_normalized.hxx,
- include/vaucanson/algorithms/sum.hxx,
- include/vaucanson/algorithms/outsplitting.hxx,
- include/vaucanson/automata/implementation/automaton_view.hh,
- include/vaucanson/automata/implementation/geometry.hxx,
- include/vaucanson/automata/implementation/kind_adapter.hh,
- include/vaucanson/automata/implementation/transpose_view.hh,
- include/vaucanson/automata/implementation/automaton_view.hxx,
- include/vaucanson/automata/implementation/geometry.hh,
- include/vaucanson/automata/implementation/transpose_view.hxx,
- include/vaucanson/automata/concept/transducer.hxx,
- include/vaucanson/automata/concept/copy.hxx,
- include/vaucanson/automata/concept/transducer_ops.hh,
- include/vaucanson/automata/concept/automata_ops.hh,
- include/vaucanson/automata/concept/translate.hh,
- include/vaucanson/automata/concept/delta_kind.hh,
- include/vaucanson/automata/concept/handlers.hh,
- include/vaucanson/automata/concept/history.hh,
- include/vaucanson/automata/concept/transducer_ops.hxx,
- include/vaucanson/automata/concept/transducer_base.hh,
- include/vaucanson/automata/concept/automata_ops.hxx,
- include/vaucanson/automata/concept/translate.hxx,
- include/vaucanson/automata/concept/automata_base.hh,
- include/vaucanson/automata/concept/kinds.hh,
- include/vaucanson/automata/concept/history.hxx,
- include/vaucanson/automata/concept/transducer_base.hxx,
- include/vaucanson/automata/concept/automata_base.hxx,
- include/vaucanson/automata/concept/kinds.hxx,
- src/benchs/minimization_stroppa/init.hxx,
- src/benchs/minimization_stroppa/minimization_bench_moore.cc,
- src/benchs/minimization_stroppa/minimization_bench_hopcroft.cc,
- src/benchs/composition/realtime_composition_bench.hh,
- src/benchs/composition/normalized_composition_bench.hh,
- src/benchs/common/algorithm.hh,
- src/benchs/common/bench_constructs.hh,
- src/benchs/quotient/quotient_bool_bench.hh,
- src/benchs/quotient/quotient_z_bench.hh,
- src/benchs/derived_terms/derived_terms_bench.hh,
- src/tests/context_headers/fmp_transducers/global_consistency_test.hh,
- src/tests/context_headers/automata/global_consistency_test.hh,
- src/tests/context_headers/transducers/global_consistency_test.hh,
- src/tests/xml/xml_trans_tester.cc,
- src/tests/xml/r_ref.dot,
- src/tests/xml/xml_geometry_tester.cc,
- src/tests/xml/z_ref.dot,
- src/tests/xml/z_min_plus_ref.dot,
- src/tests/xml/xml_automaton_tester.cc,
- src/tests/xml/b_ref.dot,
- src/tests/xml/z_max_plus_ref.dot,
- src/tests/xml/fmp_ref.dot,
- src/tests/xml/session_ref.dot,
- src/tests/xml/trans_ref.dot,
- src/tests/xml/xml_fmp_tester.cc,
- src/tests/xml/geometry_ref.dot,
- src/tests/xml/xml_session_tester.cc,
- src/tests/automata/implementation_check/rdelta_test.hh,
- src/tests/automata/implementation_check/Makefile.am,
- src/tests/automata/implementation_check/global_consistency_test.hh,
- src/tests/automata/algos/fmp_transducers/normalized_composition_test.hh,
- src/tests/automata/algos/fmp_transducers/evaluation_fmp_test.hh,
- src/tests/automata/algos/fmp_transducers/sub_normalize_test.hh,
- src/tests/automata/algos/label_aware_graphs/glushkov_test.hh,
- src/tests/automata/algos/label_aware_graphs/standard_of_regression_test.hh,
- src/tests/automata/algos/label_aware_graphs/sum_test.hh,
- src/tests/automata/algos/label_aware_graphs/closure_test.hh,
- src/tests/automata/algos/label_aware_graphs/cut_up_test.hh,
- src/tests/automata/algos/graphs/extract_test.hh,
- src/tests/automata/algos/boolean_automata/minimization_test.hh,
- src/tests/automata/algos/boolean_automata/complete_test.hh,
- src/tests/automata/algos/labeled_graphs/thompson_test.hh,
- src/tests/automata/algos/letter_combination_labeled_graphs/compute_test.hh,
- src/tests/automata/algos/letter_combination_labeled_graphs/product_regression_test.hh,
- src/tests/automata/algos/letter_combination_labeled_graphs/product_test.hh,
- src/demos/vaucanswig/doc/README.txt,
- src/demos/vaucanswig/meta/automaton.hh,
- src/demos/vaucanswig/meta/vaucanswig_automaton.i,
- src/demos/vaucanswig/meta/vauto.hh,
- src/demos/algorithms/contains_factor.cc,
- src/demos/algorithms/classics.cc,
- src/demos/algorithms/universal.cc,
- src/demos/function_library/tdc_algorithms.cc,
- src/demos/function_library/rt_tdc_algorithms.cc,
- src/demos/function_library/algorithms.cc,
- src/demos/automaton_library/a1.cc,
- src/demos/automaton_library/b1.cc,
- src/demos/automaton_library/c1.cc,
- src/demos/automaton_library/double_ring.cc,
- src/demos/automaton_library/divkbaseb.cc,
- src/demos/automaton_library/ladybird.cc,
- src/demos/utilities/vgrep/vgrep.cc,
- src/demos/utilities/fsm/usual_automaton_t/vcsn_random_generator.cc,
- src/demos/utilities/fsm/generate_toolbox.sh,
- src/demos/transducers/one_rule_rewriting/fibonacci_rt_gen.cc,
- src/demos/transducers/one_rule_rewriting/ORR_rt_gen.cc,
- src/demos/transducers/one_rule_rewriting/fibonacci_tdc_gen.cc,
- src/demos/transducers/one_rule_rewriting/fibonacci_demo.cc,
- src/demos/transducers/one_rule_rewriting/ORR_tdc_gen.cc,
- src/demos/transducers/one_rule_rewriting/ORR_demo.cc,
- src/demos/transducers/t1.cc,
- src/demos/transducers/u1.cc,
- src/vaucanson.xsd,
- doc/xml/xml_proposal.tex,
- doc/README-IO.txt,
- doc/NEWS.txt: s/edge/transition/. Nearly everywhere.