Finish migration to version 10.0

Do not raise ConnectionError if we get a response
Use ConnectionError from requests lib instead of overriding it
Fix push_to_pingen (writes on state as for cron), remove unneeded loops

pingen/models/res_company.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Author: Guewen Baconnier
+# Copyright 2012-2017 Camptocamp SA
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields
+from .pingen import Pingen
+
+
+class ResCompany(models.Model):
+
+    _inherit = 'res.company'
+
+    pingen_token = fields.Char('Pingen Token', size=32)
+    pingen_staging = fields.Boolean('Pingen Staging')
+
+    def _pingen(self):
+        """ Return a Pingen instance to work on """
+        self.ensure_one()
+        return Pingen(self.pingen_token, staging=self.pingen_staging)