Add notes in inherit.inc
Add notes in inherit.inc

If we assign role to user on projects in a subtree, such as
'PUT /v3/OS-INHERIT/projects/{project_id}/users/{user_id}/roles
/{role_id}/inherited_to_projects'.
The role assignment is not applied to the project in the request,
and only applied to its subtree projects.

Change-Id: I170227d40a631a1827baa3b334d4c128c9fc2041

mahak/keystone,mahak/keystone,rajalokan/keystone,openstack/keystone,rajalokan/keystone,openstack/keystone,openstack/keystone,rajalokan/keystone,mahak/keystone