[brocade][vyatta] Fix minor errors in console_script service plugin entry , copyright header for Vyatta L3 plugin and vrouter.ini config file

[Sripriya]

Fix vrouter_neutron_plugin.py copyright header to refer to Brocade Communications System, Inc. and fix neutron.service_plugins entry for vyatta l3 plugin.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/184657

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/184657
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=86d5944fcc2f44aac7cd786ea429f942fc5cb66e
Submitter: Jenkins
Branch: master

commit 86d5944fcc2f44aac7cd786ea429f942fc5cb66e
Author: Sripriya <email address hidden>
Date: Wed May 20 17:24:16 2015 -0700

    Fix minor errors in the Vyatta L3 Plugin:

    update management_network to management_network_id in vrouter.ini
    Fix copyright header to refer to Brocade in vrouter_neutron_plugin.py
    Fix neutron.service_plugins brocade_vyatta_l3 entry in setup.cfg

    Change-Id: Ib9eb4a825454d99607deca61ceeb7acb43a9b248
    Closes-Bug: #1457235

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: neutron-pecan
Review: https://review.openstack.org/185072