Removed unused usings, removed empty spaces, removed tons os warnings (#903)

test/Ocelot.AcceptanceTests/CaseSensitiveRoutingTests.cs

@@ -1,10 +1,10 @@
 namespace Ocelot.AcceptanceTests
 {
+    using Microsoft.AspNetCore.Http;
+    using Ocelot.Configuration.File;
     using System;
     using System.Collections.Generic;
     using System.Net;
-    using Microsoft.AspNetCore.Http;
-    using Ocelot.Configuration.File;
     using TestStack.BDDfy;
     using Xunit;
 
@@ -237,4 +237,4 @@ namespace Ocelot.AcceptanceTests
             _steps.Dispose();
         }
     }
-}
+}