
This patch implements the new ways to get the project's hierarchy: 'subtree_as_ids': If True, returns projects IDs down the hierarchy as a structured dictionay. 'parents_as_ids': If True, returns projects IDs up the hierarchy as a structured dictionay. Change-Id: Ia3afe994893dfca059cb8361f7ab1c14e28e1ad5 Implements: blueprint hierarchical-multitenancy-improvements