Removed all old Serialization tags and methods
Potentially Breaking Change: Removed InventoryNode.ParentID - This was an old serlization hack. Use Data.ParentUUID instead
This reverts commit 0ce9e654ec.
Revert "Silly Cinder. Don't serialize InventoryNodeDictionary"
This reverts commit 30f3bf0ea8.
Revert "Serialize Permissions and one more ProtoBuf fix for InventoryNode"
This reverts commit 26992406c5.