[REF] fix obsolete 'grap' url for travis CI; remove obsolete coverage url

Author: legalsylvain

README.rst

@@ -3,10 +3,8 @@
     :alt: License: AGPL-3
 .. image:: https://img.shields.io/badge/python-3.6-blue.svg
     :alt: Python support: 3.6
-.. image:: https://travis-ci.org/grap/odoo-module-migrator.svg?branch=master
-    :target: https://travis-ci.org/grap/odoo-module-migrator
-.. image:: https://coveralls.io/repos/grap/odoo-module-migrator/badge.png?branch=master
-    :target: https://coveralls.io/r/grap/odoo-module-migrator?branch=master
+.. image:: https://app.travis-ci.com/OCA/odoo-module-migrator.svg?branch=master
+    :target: https://app.travis-ci.com/OCA/odoo-module-migrator
 
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 odoo-module-migrator