fix labels

See merge request !394

added 'não informado' for null options

See merge request !392

new_pnad -> dev

See merge request !389

[FIX] modified values for the frontend to be able to make the request (capitalCode, metroCode and modalityShift)

[FIX] Subroute '/new_pnad_state changed to '/state', '/reg_code' to '/region' and '/age_range' to '/age_range_all'

new_pnad -> development

See merge request !387

Merge new_pnad -> development

See merge request !385

[ADD] filters 'attendModality, attendsSchool, capitalCode, ethnicGroupNewPnad, metroCode and regionCode' added to convert files and id2str

Merging new_pnad -> dev again

See merge request !384

FIrst deploy of new route 'new_pnad'

See merge request !383