Add an external sanity check for nova notification availability

[Terry Wilson]

Since nova notifications introduce a run-time dependency on novaclient, there should be an external sanity check added that tests the running systems ability to import neutron.notifiers.nova.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/102619

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/102619
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=a630b3bae84091f0ff1029a87e3fc27eb9d7f5e3
Submitter: Jenkins
Branch: master

commit a630b3bae84091f0ff1029a87e3fc27eb9d7f5e3
Author: Terry Wilson <email address hidden>
Date: Wed Jun 25 14:49:58 2014 -0500

    Add sanity check for nova notification support

    Since nova notification support adds a runtime dependency on
    novaclient, add an external sanity check testing the system's
    ability to import neutron.notifiers.nova

    Change-Id: I8a72c8763bb69a01178fc4ec91071a64a4648aab
    Closes-bug: #1334412