Created User Service & Repository with tests & Refactored AppHost
Added UserService Tests
Merge remote-tracking branch 'origin/master'

Conflicts:
	SingletonTheory.Services.AuthServices.Tests/SingletonTheory.Services.AuthServices.Tests.csproj
	SingletonTheory.Services.AuthServices/Host/AppHost.cs
	SingletonTheory.Services.AuthServices/SingletonTheory.Services.AuthServices.csproj
Fixed merge issues