Beginning of the end of Param_actu_IPP
Fix error : test
Merge branch 'master' of https://github.com/LouisePaulDelvaux/openfisca-france

Conflicts:
	openfisca_france/data/zone_apl/zone_apl_imputation_data_reader.py
updating param_actu_IPP
updating intermediaire de param_actu_IPP
Merge branch 'master' of https://github.com/openfisca/openfisca-france
param_actu_IPP , last_update
rename sal -> salarie
zone apl fixed?
Rename scenario to self. Move import to top of file.
Dirty hack to avoid exceptions when nmen is 1.
add logging in cotsoc
Merge pull request #3 from LouisePaulDelvaux/master

update param_actu_IPP
Improving cotsoc