[fuel-qa]BVT/Smoke failed with error on "get" request to nailgun

BVT and Smoke failed with trace:

2016-08-03 07:25:42,901 - ERROR __init__.py:67 -- get_settings raised: HTTPError()
Traceback: Traceback (most recent call last):
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/__init__.py", line 60, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/models/nailgun_client.py", line 480, in get_settings
    return self.client.get("/settings").json()
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/helpers/http.py", line 80, in get
    return self._open(req)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/helpers/http.py", line 104, in _open
    return self._get_response(req)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/helpers/http.py", line 136, in _get_response
    return self.opener.open(req)
  File "/usr/lib/python2.7/urllib2.py", line 410, in open
    response = meth(req, response)
  File "/usr/lib/python2.7/urllib2.py", line 523, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.7/urllib2.py", line 448, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.7/urllib2.py", line 382, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 531, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 404: Not Found

The reason is following: review https://review.openstack.org/#/c/349539/4 was merged w/o https://review.openstack.org/#/c/349005/

CUSTOM_VERSION=snapshot #87
MAGNET_LINK=magnet:?xt=urn:btih:bfec808dd71ff42c5613a3527733d9012bb1fabc&dn=MirantisOpenStack-9.0.iso&tr=http%3A%2F%2Ftracker01-bud.infra.mirantis.net%3A8080%2Fannounce&tr=http%3A%2F%2Ftracker01-scc.infra.mirantis.net%3A8080%2Fannounce&tr=http%3A%2F%2Ftracker01-msk.infra.mirantis.net%3A8080%2Fannounce&ws=http%3A%2F%2Fvault.infra.mirantis.net%2FMirantisOpenStack-9.0.iso
FUEL_QA_COMMIT=8f903810e6b397c6df19f2ceb915659007b29040
UBUNTU_MIRROR_ID=ubuntu-2016-08-02-170656
CENTOS_MIRROR_ID=centos-7.2.1511-2016-05-31-083834
MOS_UBUNTU_MIRROR_ID=9.0-2016-08-02-162321
MOS_CENTOS_OS_MIRROR_ID=os-2016-06-23-135731
MOS_CENTOS_PROPOSED_MIRROR_ID=proposed-2016-08-02-112321
MOS_CENTOS_UPDATES_MIRROR_ID=updates-2016-06-23-135916
MOS_CENTOS_HOLDBACK_MIRROR_ID=holdback-2016-06-23-140047
MOS_CENTOS_HOTFIX_MIRROR_ID=hotfix-2016-07-18-162958
MOS_CENTOS_SECURITY_MIRROR_ID=security-2016-06-23-140002