db4f98d44e
In d46e358d3e88aea9f9289c4845c6c87ab9491c55 some mail.thread method
names were changed: it should be changed in documentation too.
closes odoo/documentation#1685
X-original-commit: b24560e224
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>