Add Sale tab to party view

review931002

sale.xml

@@ -343,6 +343,11 @@ this repository contains the full copyright notices and license terms. -->
             <field name="name">template_tree</field>
         </record>
 
+        <record model="ir.ui.view" id="party_view_form">
+            <field name="model">party.party</field>
+            <field name="inherit" ref="party.party_view_form"/>
+            <field name="name">party_form</field>
+        </record>
         <record model="ir.action.wizard" id="act_open_customer">
             <field name="name">Parties associated to Sales</field>
             <field name="wiz_name">sale.open_customer</field>

view/party_form.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="/form/notebook" position="inside">
+        <page id="sale" string="Sale">
+        </page>
+    </xpath>
+</data>