fixed SQL for utente.birthdate field
added `utente`.`citta_nascita` and `utente`.`provincia_nascita`
changed `utente`.`citta_nascita` and `utente`.`provincia_nascita` to `birthcity` and `birthprovince`
added `birthcity` and `birthprovince` business logic
bug fix when exporting surveys and on media files array creation
Merge branch 'upstream/master'