[MERGE] rename `openerp` to `odoo`, and adapt imports

addons/base_import/tests/test_base_import.py

addons/bus/models/bus_presence.py

addons/crm/wizard/base_partner_merge.py

addons/event/tests/test_event_flow.py

addons/event/tests/test_mail_schedule.py

addons/hr_holidays/tests/test_holidays_flow.py

addons/mail/tests/test_invite.py

addons/mail/tests/test_mail_channel.py

addons/mail/tests/test_mail_features.py

addons/mail/tests/test_mail_gateway.py

addons/mail/tests/test_mail_message.py

addons/mail/tests/test_mail_template.py

addons/mail/tests/test_message_read.py

addons/payment_buckaroo/tests/test_buckaroo.py

addons/payment_ogone/tests/test_ogone.py

addons/payment_paypal/tests/test_paypal.py

addons/payment_stripe/tests/test_stripe.py

addons/portal/tests/test_portal.py

addons/procurement/wizard/procurement_order_compute_all.py

addons/product/models/product_template.py