Using new attribute Schema for building documentation

[Sergey Kraynev]

Information stored in attribute Schema class should be displayed in documentation.
So support_status option should be shown as Warning if attribute has DEPRECATED status.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/86803

[Openstack Gerrit (openstack-gerrit)]

Reviewed: https://review.openstack.org/86803
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=26d9b41f1af395f13d41e659889eead7e678784e
Submitter: Jenkins
Branch: master

commit 26d9b41f1af395f13d41e659889eead7e678784e
Author: Sergey Kraynev <email address hidden>
Date: Fri Apr 11 01:53:52 2014 -0400

    Using attribute schema for building documentation

    At now attributes have their own Schema class with support_status
    option. This information should be displayed in documentation.
    Current change makes possible to use new schema for building
    documentation.

    Change-Id: I40af79b57defb99c7b131583b5fedfd3a67968d1
    Closes-Bug: #1306383