Replace "nova" entries in iptables_manager with "neutron"

[Elena Ezhova]

In iptables_manager docstrings there are still some references to nova left from nova/network/linux_net.py. These references need to be removed and the docstrings updated.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/132814

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/132814
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=079f1fdabd24e22e11256e113981c119778ac371
Submitter: Jenkins
Branch: master

commit 079f1fdabd24e22e11256e113981c119778ac371
Author: Elena Ezhova <email address hidden>
Date: Wed Nov 5 13:01:51 2014 +0300

    Replace "nova" entries in iptables_manager with "neutron"

    In iptables_manager docstrings there are still some references to
    nova left from nova/network/linux_net.py.
    Remove these references and update the docstrings.

    Change-Id: I50813e3050f7f117512bde7c2563ce3410939e54
    Closes-Bug: #1389601