[IMP] account: (over)due payments report

The report includes all due payments, not only the one after the maturity date.
The maturity date is displayed in the report so no confusion is possible for payments below the maturity date.
Fixes #3064

addons/account/account_report.xml

@@ -11,7 +11,7 @@
         <report auto="False" id="account_general_journal" model="account.journal.period" name="account.general.journal" rml="account/report/account_general_journal.rml" string="General Journal" header="False"/>
         <report auto="False" id="account_journal" model="account.journal.period" name="account.journal.period.print" rml="account/report/account_journal.rml" string="Journal" header="False"/>
         <report auto="False" id="account_journal_sale_purchase" model="account.journal.period" name="account.journal.period.print.sale.purchase" rml="account/report/account_journal_sale_purchase.rml" string="Sale/Purchase Journal" header="False"/>
-        <report auto="False" id="account_overdue" model="res.partner" name="account.overdue" rml="account/report/account_print_overdue.rml" string="Overdue Payments"/>
+        <report auto="False" id="account_overdue" model="res.partner" name="account.overdue" rml="account/report/account_print_overdue.rml" string="Due Payments"/>
         <report
             auto="False"
             id="account_invoices"