Typos of 'address', 'current' and 'concurrent'

[Takashi Natsume]

There are some typos .

adress => address (in nova/virt/libvirt/volume/volume.py)
curent => current (in nova/virt/hyperv/hostops.py)
concurent => concurrent (in nova/tests/unit/compute/test_compute_api.py)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/208749

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/208749
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=e5f457d66f53281770c0e151b616ca55724676bb
Submitter: Jenkins
Branch: master

commit e5f457d66f53281770c0e151b616ca55724676bb
Author: Takashi NATSUME <email address hidden>
Date: Tue Aug 4 09:58:45 2015 +0900

    Fix a few typos

    adress => address
    curent => current
    concurent => concurrent
    a instance => an instance
    optinally => optionally

    Change-Id: I08e38d8418c2133475e4631bfaef17e34dd1c5bc
    Closes-Bug: #1481123

[Matt Riedemann (mriedem)]

This is not worthy of a bug report in my opinion. The only time I'd expect maybe a bug for a typo issue is if they are user-facing strings or translated (like logging > DEBUG).