Return wrong server's extended of security group's attributes for v3

[Alex Xu]

Create server with "os-security-groups:security_groups": [{"name": "test1"}]

But the response of create was "security_groups": [{"name": "default"}]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/45437

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/45437
Committed: http://github.com/openstack/nova/commit/e8169e7e7b8dd5eda522559207a5b971133a5270
Submitter: Jenkins
Branch: master

commit e8169e7e7b8dd5eda522559207a5b971133a5270
Author: He Jie Xu <email address hidden>
Date: Tue Sep 10 18:55:08 2013 +0800

    Fix create's response is different with requested for sec-grps V3

    The create's response always shows the default security-groups even the request
    with different security-groups.

    Fix bug 1221651

    Change-Id: I0c3de3c4d00ed15f3e4a0717c0a1f123ccbf3068