Feature/expose http handlers (#224)

* temp commit

* trying to work out how to expose the http handlers in a decent way..

* pissing about at lunch

* changed to func so you can instanciate object or new it up each time

* docs for dele handlers

* upgraded to sdk 2.1.4

* some validation for consul services

test/Ocelot.ManualTest/ManualTestStartup.cs

@@ -1,13 +1,7 @@
-using System;
-using CacheManager.Core;
 using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
 using Ocelot.DependencyInjection;
 using Ocelot.Middleware;
-using ConfigurationBuilder = Microsoft.Extensions.Configuration.ConfigurationBuilder;
 
 namespace Ocelot.ManualTest
 {
@@ -15,11 +9,6 @@ namespace Ocelot.ManualTest
     {
         public void ConfigureServices(IServiceCollection services)
         {
-            Action<ConfigurationBuilderCachePart> settings = (x) =>
-            {
-                x.WithDictionaryHandle();
-            };
-
             services.AddAuthentication()
                 .AddJwtBearer("TestKey", x =>
                 {
@@ -28,7 +17,10 @@ namespace Ocelot.ManualTest
                 });
 
             services.AddOcelot()
-                    .AddCacheManager(settings)
+                    .AddCacheManager(x =>
+                    {
+                        x.WithDictionaryHandle();
+                    })
                     .AddOpenTracing(option =>
                     {
                         option.CollectorUrl = "http://localhost:9618";
@@ -42,4 +34,4 @@ namespace Ocelot.ManualTest
             app.UseOcelot().Wait();
         }
     }
-}
+}