Update Autofac to 3.0.2
Add Web API front end skeleton
Basic WebAPI confguration
Update nuget packages
Add Event Session so all session specific functionality is accessible without global state.
Move internal pieces into Infrastructure namespace
Update packages. Remove unnecessary SQL related ASP.NET bits
Use IEventSession in Modify Cart Service instead of IAggregateStore
Remove DomainEvent and deny it ever existed.
Hook up Get Sku in Web API
Return 404 if Sku not found.
Fix initialisation of sku events Id
Fix Web API config