Add FranceData import scripts

.travis.yml

representatives_votes/contrib/francedata/__init__.py

representatives_votes/contrib/francedata/import_dossiers.py

representatives_votes/contrib/francedata/import_scrutins.py

representatives_votes/contrib/francedata/import_votes.py

...ves_votes/contrib/francedata/tests/dossiers_expected.json

...atives_votes/contrib/francedata/tests/dossiers_input.json

...entatives_votes/contrib/francedata/tests/rep_fixture.json

...ves_votes/contrib/francedata/tests/scrutins_expected.json

...atives_votes/contrib/francedata/tests/scrutins_input.json

..._votes/contrib/francedata/tests/test_francedata_import.py

...atives_votes/contrib/francedata/tests/votes_expected.json

...entatives_votes/contrib/francedata/tests/votes_input.json

...es_votes/contrib/parltrack/tests/test_parltrack_import.py

setup.py