deisy/credit_cash_check: Añade campos booleanos de Crédito y Contado en sale_order, purchase_order y account_invoice

deisy 7870cb18b9 Ajustes		6 éve
..
__init__.py	2469be18d2 First commit	6 éve
account_invoice.py	7870cb18b9 Ajustes	6 éve
purchase_order.py	7870cb18b9 Ajustes	6 éve
sale_order.py	2469be18d2 First commit	6 éve