Updated openstack/openstack
Project: openstack/taskflow  fb7c9a6156d144c72a5161e41dc649ae72f4377c

Change messaging from handler connection timeouts -> operation timeouts

Instead of having the exception message say the issue is a connection
timeout (which it may not be if the operation just takes a long time
to finish...) change the message to denote that its an operation time
out instead.

Change-Id: Icf20e88ca6b23719b19d98298d7869c783f32f52