replace rest of q_exc to n_exc in code base

[Aaron Rosen]

The following patch renames the rest of q_exc to n_exc which were left when quantum was renamed to neutron.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/77746

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/77746
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=2a2d566be3d69295f56d2db5b6004f12d0ec5b9f
Submitter: Jenkins
Branch: master

commit 2a2d566be3d69295f56d2db5b6004f12d0ec5b9f
Author: Aaron Rosen <email address hidden>
Date: Mon Mar 3 17:42:20 2014 -0800

    replace rest of q_exc to n_exc in code base

    The following patch renames the rest of q_exc to n_exc which were
    left when quantum was renamed to neutron.

    used: find . -name "*.py" -print | xargs sed -i 's/q_exc/n_exc/g'

    Change-Id: I04041030694b28c400b6c9c552433f2eaa4a37ba
    Closes-bug: #1287462