Now supports the same upstream url by difrenciating by http method. Also broke up the proxy middleware into three seperate pieces that do their thing and stick something into the OWIN context

test/Ocelot.AcceptanceTests/OcelotTests.cs

@@ -50,7 +50,8 @@ namespace Ocelot.AcceptanceTests
                         new ReRoute
                         {
                             DownstreamTemplate = "http://localhost:51879/",
-                            UpstreamTemplate = "/"
+                            UpstreamTemplate = "/",
+                            UpstreamHttpMethod = "Get"
                         }
                     }
                 }))
@@ -72,7 +73,8 @@ namespace Ocelot.AcceptanceTests
                         new ReRoute
                         {
                             DownstreamTemplate = "http://localhost:51879/",
-                            UpstreamTemplate = "/"
+                            UpstreamTemplate = "/",
+                            UpstreamHttpMethod = "Post"
                         }
                     }
                 }))

test/Ocelot.AcceptanceTests/configuration.yaml

@@ -1,3 +1,4 @@
 ReRoutes:
 - DownstreamTemplate: http://localhost:51879/
   UpstreamTemplate: /
+  HttpMethod: Get