[BF] Stale reference to old infrastructure references
[NF] Filter private VLANs for a specific infrastructure
[BF] Stale reference to old infrastructure references
[NF] We can set primary infrastructures per IXP

- only one infra can be primary per IXP
- some db integrity checking included to make upgrading easier
Update changelog
[IM] Tidy up stale infrastructure references
Version bump and changelog