Added latest ServiceStack .dlls and refactor to support new ConfigureHost signature

Author: mythz

lib/ServiceStack.Common.dll

@@ -67,7 +67,7 @@ protected TestBase(string serviceClientBaseUri, params Assembly[] serviceAssembl
 			var appHost = new TestAppHost(this);
 			this.AppHost = appHost;
 
-			EndpointHost.ConfigureHost(this.AppHost, "TestBase", serviceAssemblies);
+			EndpointHost.ConfigureHost(this.AppHost, "TestBase", new ServiceManager(serviceAssemblies));
 
 			EndpointHost.ServiceManager = appHost.Config.ServiceManager;
 		}