[IMP] account: rename 'Refund' to 'Credit Note'

addons/account/data/account_data.xml

addons/account/models/account.py

addons/account/models/account_bank_statement.py

addons/account/models/account_invoice.py

addons/account/models/account_move.py

addons/account/models/account_payment.py

addons/account/report/account_invoice_report.py

addons/account/report/account_invoice_report_view.xml

addons/account/tests/test_account_customer_invoice.py

addons/account/views/account_invoice_view.xml

addons/account/views/account_journal_dashboard_view.xml

addons/account/views/account_report.xml

addons/account/views/report_invoice.xml

addons/account/wizard/account_invoice_refund.py

addons/account/wizard/account_invoice_refund_view.xml

...gamification_sale_crm/data/gamification_sale_crm_data.xml

addons/product/models/product_template.py

...rt_intrastat/report/report_intrastat_invoice_template.xml

addons/report_intrastat/report/report_intrastat_report.xml