Response is incorrect for List snapshots(detailed) in v1

[Eisuke Dojo]

Example of the Response is found in
http://developer.openstack.org/api-ref-blockstorage-v1.html#getSnapshotsDetail

the example is incorrect because "metadata" parameter is not listed.

[Result]
curl -g -X GET http://xxx.xxx.xxx.xxx:8776/v1/2af8ddb356c0424087cde36cc39bb776/snapshots/detail -H "Accept: application/json" -H "User-Agent: python-heatclient" -H "X-Region-Name: RegionOne" -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json" -H "X-Auth-Url: http://xxx.xxx.xxx.xxx:5000/v2.0" | python -m json.tool
{
    "snapshots": [
        {
            "created_at": "2015-07-22T15:00:02.000000",
            "display_description": null,
            "display_name": null,
            "id": "4f99dbf2-af8d-4db3-a8ba-4bcdbb60d40b",
            "metadata": {},
            "os-extended-snapshot-attributes:progress": "100%",
            "os-extended-snapshot-attributes:project_id": "2af8ddb356c0424087cde36cc39bb776",
            "size": 1,
            "status": "available",
            "volume_id": "6326ebb5-1659-4d16-81c5-25f2ed3bab9b"
        },
        {
            "created_at": "2015-07-22T15:03:06.000000",
            "display_description": null,
            "display_name": null,
            "id": "5090fdb3-3425-448a-abc4-f3e212f19e86",
            "metadata": {},
            "os-extended-snapshot-attributes:progress": "100%",
            "os-extended-snapshot-attributes:project_id": "2af8ddb356c0424087cde36cc39bb776",
            "size": 1,
            "status": "available",
            "volume_id": "6326ebb5-1659-4d16-81c5-25f2ed3bab9b"
        }
    ]
}

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/205877

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/205877
Committed: https://git.openstack.org/cgit/openstack/api-site/commit/?id=776ad65f66f32111c054c713710f912a4f0707dc
Submitter: Jenkins
Branch: master

commit 776ad65f66f32111c054c713710f912a4f0707dc
Author: Eisuke Dojo <email address hidden>
Date: Mon Jul 27 11:54:45 2015 +0900

    Add parameter "metadata" to the example of the response body

    The example of the response body was missing parameter "metadata".

    Closes-bug: #1477533

    Change-Id: I2832bfdf9e5fef7edc5be19995da63f29ee3b626