
In kilo, Keystone provide the possibility to create a project hierarchy. Now, in the project operations, you can provide a parent_id to represent the parent project. This patch add the parent_id information in the identity API ref. Updated code samples to use actual values rather than placeholders like --endpoint-id-- (DF) Change-Id: Idc22d9f0ff55f161bd0dc5a81974e91018e37b7b