Feature/hacking consul file config (#157)

* moving things around to see if I can get consul to store fileconfiguration rather than ocelotconfiguration

* more refactoring to see if we can get a test for the feature

* acceptance test passing for updating in consul..need to sort object comparison out

* fixed the failing tests

test/Ocelot.UnitTests/Configuration/FileConfigurationSetterTests.cs

@@ -78,7 +78,7 @@ namespace Ocelot.UnitTests.Configuration
         {
             _repo
                 .Setup(x => x.Set(It.IsAny<FileConfiguration>()))
-                .Returns(response);
+                .ReturnsAsync(response);
         }
 
         private void ThenAnErrorResponseIsReturned()