Updated openstack/openstack
Project: openstack/tempest  6213214c6a7b365466d366f587e58896cb9e96b2
null
Adds ping method to remote client

Allowing pinging via ssh host.
Pushing this because many new patches are using this (at least 3 of mine)

Change-Id: I48931e968e76a24658bcda298e98f3a40c8358d1