ProvisionSelectedNodes handler runs provision graph

[Vladimir Kozhukalov]

ProvisionSelectedNodes handler runs provision graph instead of running plain provision task manager. It tries to find provision graph in the database and if it is unable to do this it runs plain provision task manager. Provision as graph feature is still experimental, so we need to rename provision graph to experimental-provision.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/newton
Review: https://review.openstack.org/450741

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/450741
Committed: https://git.openstack.org/cgit/openstack/fuel-library/commit/?id=e3acbeea4110e2c6c6198b9d8d5851a9cd8f745e
Submitter: Jenkins
Branch: stable/newton

commit e3acbeea4110e2c6c6198b9d8d5851a9cd8f745e
Author: Vladimir Kozhukalov <email address hidden>
Date: Tue Mar 28 13:34:53 2017 +0300

    Rename all predefined graphs to experimental-*

    By doing this we avoid running these graphs when
    api handlers are called. Handlers try to
    find graphs in the database by thier name and if they are unable
    to do this they fall back to plain task managers.
    That is what we actually need.

    Change-Id: Iba98c3b337c2856bbd29d17bb06d24adf35594e6
    Closes-Bug: #1676849