[FIX] account_payment_*: 2 fixes

* Fix payment method onchange with multicompany (#374)
* Add relational inverse field for payment.mode on payment.method

account_payment_mode/__manifest__.py

@@ -4,7 +4,7 @@
 
 {
     'name': 'Account Payment Mode',
-    'version': '10.0.1.0.0',
+    'version': '10.0.1.0.1',
     'license': 'AGPL-3',
     'author': "Akretion,Odoo Community Association (OCA)",
     'website': 'https://github.com/OCA/bank-payment',

account_payment_mode/models/account_payment_method.py

@@ -22,6 +22,9 @@ class AccountPaymentMethod(models.Model):
     display_name = fields.Char(
         compute='compute_display_name',
         store=True, string='Display Name')
+    payment_mode_ids = fields.One2many(
+        comodel_name='account.payment.mode', inverse_name='payment_method_id',
+        string='Payment modes')
 
     @api.multi
     @api.depends('code', 'name', 'payment_type')