Port SEPA modules to new API

Fix an important regression in account_banking_sepa_direct_debit: "Date of Last Debit" was not set any more
Proper write of date_done with account_banking_payment_export is installed without account_banking_payment_transfer
Add post-install script for date_sent on payment.order

account_banking_payment_export/__openerp__.py

@@ -44,6 +44,7 @@
         'wizard/bank_payment_manual.xml',
         'wizard/payment_order_create_view.xml',
         'data/payment_mode_type.xml',
+        'workflow/account_payment.xml',
         'security/ir.model.access.csv',
     ],
     'demo': ['demo/banking_demo.xml'],

account_banking_payment_export/models/account_payment.py

@@ -73,3 +73,11 @@ class PaymentOrder(models.Model):
                 workflow.trg_validate(self.env.uid, 'payment.order',
                                       order_id, 'done', self.env.cr)
             return {}
+
+    @api.multi
+    def action_done(self):
+        self.write({
+            'date_done': fields.Date.context_today(self),
+            'state': 'done',
+            })
+        return True

account_banking_payment_export/workflow/account_payment.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015 Akretion (http://www.akretion.com/)
+    @author: Alexis de Lattre <alexis.delattre@akretion.com>
+    The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+<record id="account_payment.act_done" model="workflow.activity">
+    <field name="action">action_done()</field>
+</record>
+
+</data>
+</openerp>