Fix issue and test after cherry-pick.

Author: David Lievrouw

src/Ocelot.Provider.Consul/ConsulFileConfigurationRepository.cs

@@ -31,7 +31,7 @@ public ConsulFileConfigurationRepository(
             _configurationKey = string.IsNullOrWhiteSpace(serviceDiscoveryProvider.ConfigurationKey) ? "InternalConfiguration" :
                 serviceDiscoveryProvider.ConfigurationKey;
 
-            var config = new ConsulRegistryConfiguration(serviceDiscoveryProvider.Host,
+            var config = new ConsulRegistryConfiguration(serviceDiscoveryProvider.Scheme, serviceDiscoveryProvider.Host,
                 serviceDiscoveryProvider.Port, _configurationKey, serviceDiscoveryProvider.Token);
 
             _consul = factory.Get(config);

test/Ocelot.UnitTests/Consul/ProviderFactoryTests.cs

@@ -48,7 +48,7 @@ public void should_return_PollingConsulServiceDiscoveryProvider()
                 .WithServiceName("")
                 .Build();
 
-            var provider = ConsulProviderFactory.Get(_provider, new ServiceProviderConfiguration("pollconsul", "", 1, "", "", stopsPollerFromPolling), reRoute);
+            var provider = ConsulProviderFactory.Get(_provider, new ServiceProviderConfiguration("pollconsul", "http", "", 1, "", "", stopsPollerFromPolling), reRoute);
             var pollProvider = provider as PollConsul;
             pollProvider.ShouldNotBeNull();
             pollProvider.Dispose();