Updated openstack/openstack
Project: openstack/taskflow  e9ecdc745d22470039228645838a2e4c1f3e1ba9

Replace autobind with a notifier module helper function

Instead of having the executor method provide a bind and
unbind function just have the notifier module provide this,
which allows those who were using the task autobind to use
this helper as well as the execution code itself.

Change-Id: If61c8c1669d7c0d66e2daab5fd773b8c7756f202