Bodily move everything into aPC.Server.  No content has changed!
Move everything in aPC.Common.Server.Tests to aPC.Server.Tests
Update all files (in Server) to point to the right things.  Now builds!
Update all Tests files to build!
Update nUnit project
Remove the Common.Server assemblies
EngineActorBase -> ActorBase
Rename EngineActors folder to Actors and fix namespaces