RFE: Project Tree Deletion/Disabling

[Lance Bragstad]

The proposal is to add the possibility to delete/disable a whole project tree/subtree, where the children of the requested node will be also deleted/disabled.

[Lance Bragstad (lbragstad)]

Specification review: https://review.openstack.org/#/c/148730/
Specification doc: http://specs.openstack.org/openstack/keystone-specs/specs/keystone/mitaka/tree-deletion.html

[Lance Bragstad (lbragstad)]

Patches the work towards this initiative:

Recursive deletion and project disabling: https://review.openstack.org/148730 (merged)
API changes for Reseller: https://review.openstack.org/153007 (merged)
Add parent_id to GET /projects: https://review.openstack.org/166326 (merged)
Addressed by: https://review.openstack.org/243584 (merged)
Manager support for project cascade update: https://review.openstack.org/243584 (merged)
API support for cascade update: https://review.openstack.org/243585 (abandoned)
Manager support for project delete cascade: https://review.openstack.org/244149 (merged)
API support for project cascade delete: https://review.openstack.org/244248 (abandoned)
Add backend support for deleting a projects list: https://review.openstack.org/245916 (merged)
Test list project hierarchy is correct for a large tree: https://review.openstack.org/277512 (merged)
Fix cascade operations documentation: https://review.openstack.org/274836 (merged)
Revert "Fix cascade operations documentation": https://review.openstack.org/286716 (merged)
Remove the APIs from doc that is not supported yet: https://review.openstack.org/368570 (merged)