This commit allows the user to link some mail template to activity type
with res_model.
When a activity has template, buttons appears in activity, allowing the user
to send mail based on templates.
Task: #1844563
PR: #25620
The mark as read button was not working for mail failure. More than that,
we wanted a functionnality to be able to massively mark mail failure as canceled,
especially to be able to clean databases from failure after migration.
Task: #1860054
PR: #25622
path on the field tag fetching the right file instead of using the base64
encoded file in the field.
<field name="image" type="base64" file="base/static/img/main_partner-image.png" />
bzr revid: stw@openerp.com-20140109154550-a04qybctzaaqtrlr