Dockerfile build (#727)

* Added Dockerfile run configuration and fixed manual test project to run appropriately

* Finished updates for Docker build and management of project through docker commands. Any of the dotnet CLI commands accessible through 'builder' container and default run is manual test project

* Added a docker-compose.yaml files to support commands: docker-compose run tests, docker-compose run benchmarks, docker-compose run manual-test

test/Ocelot.ManualTest/Program.cs

@@ -1,4 +1,7 @@
-namespace Ocelot.ManualTest
+using System.Reflection.Metadata.Ecma335;
+using Ocelot.Requester;
+
+namespace Ocelot.ManualTest
 {
     using System.IO;
     using Microsoft.AspNetCore.Hosting;
@@ -36,7 +39,8 @@
                             x.Audience = "test";
                         });
 
-                    s.AddOcelot()
+                     s.AddSingleton<QosDelegatingHandlerDelegate>((x, t) => new FakeHandler());
+                     s.AddOcelot()
                         .AddDelegatingHandler<FakeHandler>(true);
                         // .AddCacheManager(x =>
                         // {