Do backwards compatibility for children of "Other hand", such as "Other hand>Finger 1".
Also, deep copy the body part location trees in the Relation module, just in case we need to modify the Relation body part locations without changing the Location module.
Do backwards compatibility for children of "Other hand", such as "Other hand>Finger 1". Also, deep copy the body part location trees in the Relation module, just in case we need to modify the Relation body part locations without changing the Location module.