Add 'parent' property for keystone project

[huangtianhua]

Keystone v3 support the tenant hierarchy, user can specify the parent_project when creating a project, support this in heat.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/235054

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/235054
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=9d5bdde09bffe0ad2e79903372476dd13649422d
Submitter: Jenkins
Branch: master

commit 9d5bdde09bffe0ad2e79903372476dd13649422d
Author: huangtianhua <email address hidden>
Date: Thu Oct 15 10:07:36 2015 +0800

    Add 'parent' property for keystone project

    Keystone v3 supports the tenant hierarchy, so add
    'parent' property for project resource in heat to
    allow user specify the parent when creating a project
    with heat template.

    Change-Id: Ia7a2d68be5fe333809eefcbf74d6b56272b2af03
    Closes-Bug: #1505117

[Thierry Carrez (ttx)]

This issue was fixed in the openstack/heat 6.0.0.0b1 development milestone.