POSTing a counter to /v2/meters/something responds 200 on success should be 201

[Chris Dent]

When making a POST to add a sample to a meter at /v2/meters/something the response is 200. It should be 201.

    - name: post counter to meter
      url: /v2/meters/apples
      method: POST
      request_headers:
          content-type: application/json
      data:
          - counter_name: apples
            counter_type: gauge
            counter_unit: instance
            counter_volume: 1
            resource_id: bd9431c1-8d69-4ad3-803a-8d4a6b89fd36
      status: 201 # gets 200, but should be 201

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/162076
Committed: https://git.openstack.org/cgit/openstack/ceilometer/commit/?id=6023a2233e8b13e672a1409b5c96bc4a53d5d114
Submitter: Jenkins
Branch: master

commit 6023a2233e8b13e672a1409b5c96bc4a53d5d114
Author: Lena Novokshonova <email address hidden>
Date: Fri Mar 6 13:14:52 2015 +0400

    Fix response POST /v2/meters/(meter_name) to 201 status

    When making a POST to add a sample to a meter at /v2/meters/something
    the response is 200. It should be 201. This patchset fixes it.

    Closes-bug: #1428202

    Change-Id: I0a938f023c3bc0267d0b1566ab689786ea0e41b0