Add button 'delete lines qty = 0' on supplier invoices

Add filter missing attachment on invoices
Add filter on to_send, sent on invoices

account_usability/partner_view.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  © 2017 Akretion (http://www.akretion.com/)
+  @author: Alexis de Lattre <alexis.delattre@akretion.com>
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_partner_property_form" model="ir.ui.view">
+    <field name="name">account_usability.res.partner.form</field>
+    <field name="model">res.partner</field>
+    <field name="inherit_id" ref="account.view_partner_property_form"/>
+    <field name="arch" type="xml">
+        <field name="property_account_position_id" position="attributes">
+            <attribute name="widget">selection</attribute>
+        </field>
+    </field>
+</record>
+
+
+</odoo>