**Impacted versions:** 11.0

**Steps to reproduce:** 

- Configures a user with access to several companies


![administrator odoo](https://user-images.githubusercontent.com/5775695/29488651-46b4cec2-84dd-11e7-9495-e8518e93d336.png)

**Current behavior:**

- In the accounting configuration there is shared field displayed by defects for the sales tax account and purchase tax account
![configure accounting odoo 1](https://user-images.githubusercontent.com/5775695/29488677-f5b53d12-84dd-11e7-8124-831b52423719.png)


**Expected behavior:**

The value of those fields depends on the company. The users that belong to different companies may see by default different values for the field on a given record

Video/Screenshot link (optional):


ir_model_data = self.env['ir.model.data']
        template_xmlid = ir_model_data.search([('model', '=', template._name), ('res_id', '=', template.id)])
        new_xml_id = str(company.id)+'_'+template_xmlid.name
        return ir_model_data._update(model, template_xmlid.module, vals, xml_id=new_xml_id, store=True, noupdate=True, mode='init', res_id=False)
    def _get_account_vals(self, company, account_template, code_acc, tax_template_ref):
        """ This method generates a dictionnary of all the values for the account that will be created.
        """
        self.ensure_one()
        tax_ids = []
        for tax in account_template.tax_ids:
            tax_ids.append(tax_template_ref[tax.id])
        val = {
                'name': account_template.name,
                'currency_id': account_template.currency_id and account_template.currency_id.id or False,
                'code': code_acc,
                'user_type_id': account_template.user_type_id and account_template.user_type_id.id or False,
                'reconcile': account_template.reconcile,
                'note': account_template.note,
                'tax_ids': [(6, 0, tax_ids)],
                'company_id': company.id,
                'tag_ids': [(6, 0, [t.id for t in account_template.tag_ids])],
                'group_id': account_template.group_id.id,
            }
        return val
    @api.multi
    def generate_account(self, tax_template_ref, acc_template_ref, code_digits, company):