removing policies from mistral types

[Limor Stotland]

The key word "Policies" has been removed from mitral in Liberty and there for the validation in heat is failing

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/218633

[Steve Baker (steve-stevebaker)]

How does Mistral behave if policies is specified? Is it ignored, used or does it raise an error? (I'd like to understand the backwards-compatible implications of this change)

[Limor Stotland (limor-bortman)]

When adding the keyword policies mistral raise an error

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/218633
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=94fb733a47ef76eb359ffd31ce4a346c6facfbe9
Submitter: Jenkins
Branch: master

commit 94fb733a47ef76eb359ffd31ce4a346c6facfbe9
Author: Limor Stotland <email address hidden>
Date: Sun Aug 30 08:34:10 2015 +0000

    fix : removing policies from mistral types

    1)Removing policies from mistral types
    2)Adding other fields to the workflow

    Change-Id: I034acaf2741cc9d0d7a7b7b8362e1eeb1e04a174
    Closes-Bug:#1489519