Add statshelpers module (from openfisca-core).
Fix partial functions
Remove trailing spaces
Update flake8 config
Remove H* errors
Make setup.py executable.
Change path to QUIFAM, QUIFOY, QUIMEN imports.
Add check_consistency function from openfisca_france.utils
Dealing with zone_apl
Simplify columns, formulas & tax-benefit systems. Increase version number.
Adapt survey data import
Merge branch 'master' of github.com:openfisca/openfisca-france-data

Conflicts:
	openfisca_france_data/model/input_variables/survey_variables.py
	openfisca_france_data/model/model.py
Add fake openfisca input data for tests
Temporary fix of rsa_majo error
Cleaning
Adding budget_des_familles
Add fake survey and collections to .gitignore
Template for build_openfisca_indirect_taxation_survey_dat
WIP
WIP