Add locale to activeadmin
Revert "Add enforce available locales to true for next rails versions."

This reverts commit cce713e2f5ad71af882051b9706912de58021098.
Installing postgres gem.
Use postgres instead sqlite to make possible restore
data on development.
Add rack canonical host.
Configure canonical host gem.
Add filters and created_at column to clientes.
Add i18n file to translate models.
Remove saldo from form.
Validate saldo to not be nil.
Add validations to produto.
Add i18n to produto.
Adds produto to admin dashboard.
Add saldo to admin to make possible to edit.
Translate to pt-BR.