Integration tests with vCenter as backend for Glance and vlan manager.

[Olesia Tsvigun]

We do not have integration test cases with vCenter as backend for Glance and vlan manager.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/172167

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/172167
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=a4247bec5c00b6c87474eed45a58a8c38ee98e10
Submitter: Jenkins
Branch: master

commit a4247bec5c00b6c87474eed45a58a8c38ee98e10
Author: otsvigun <email address hidden>
Date: Thu Apr 9 13:22:35 2015 +0300

    Added integration test for test_vcenter with vlan manager and vCenter as backend for Glance.

    Scenario:
    1. Create cluster with vCenter support
    2. Add 3 nodes with controller role
    3. Add a node with compute role
    4. Add a node with Cinder VMDK role
    5. Set Nova-Network VlanManager as a network backend
    6. Configure vCenter datastore as backend for glance
    7. Deploy the cluster
    8. Run network verification
    9. Run OSTF

    Closes-bug: #1442063

    Change-Id: I6d8fc3e8f09030cfe4a31cea6678c3c9a92e54e1