- Introduce minimum_vieillesse
- Rename `mini` to `minima_sociaux`
- Rename `nivvie` to `niveau_de_vie`
- Rename `nivvie_net` to `niveau_de_vie_net`
- Rename `nivvie_ini` to `niveau_de_vie_initial`
- Rename `pfam` to `prestations_familiales`
- Rename `psoc` to `prestations_sociales`
- Rename `pen` to `pensions`
- Rename `rev_cap` to `reveunus_du_capital`
- Rename `rev_trav` to `revenus_du_travail`
- Rename `revdisp` to `revenu_disponible`
- Rename `typ_men` to `type_menage`
- Cleaning:
- Retire superfluous `default = 0` in `FloatCol` and `IntCol`
- Retire superfluous comments
- migrate some formulas