Cleanup console override logic in OVerlay app (and tweak old app to allow for it to work properly)
Absorb aPC.Client into aPC.Client.Overlay
Remove aPC.Client
Rename aPC.Client.Overlay -> aPC.Client (namespaces not yet changed)
Remove all refernces of "Overlay" from the new aPC.Client
Update Integrated Scenes in the GUI to use the Settings class
Clean up nunit project
Remove aPC.Client.Overlay.Tests