[REF][account_asset_date] forward account_asset_date to 8.0
[PYLINT][account_asset_date]
[REF][account_asset_date] change string of field purchase_date
Merge pull request #49 from vauxoo-dev/8.0-account_asset_date-dev-ernesto

[REF][account_asset_date] forward account_asset_date to 8.0