Follow redirects when fetching Custom Lists

src/NzbDrone.Common/Http/HttpRequestBuilder.cs

@@ -390,5 +390,12 @@ namespace NzbDrone.Common.Http
 
             return this;
         }
+
+        public virtual HttpRequestBuilder AllowRedirect(bool allowAutoRedirect = true)
+        {
+            AllowAutoRedirect = allowAutoRedirect;
+
+            return this;
+        }
     }
 }

src/NzbDrone.Core/ImportLists/Custom/CustomImportProxy.cs

@@ -72,7 +72,7 @@ namespace NzbDrone.Core.ImportLists.Custom
             }
 
             var baseUrl = settings.BaseUrl.TrimEnd('/');
-            var request = new HttpRequestBuilder(baseUrl).Accept(HttpAccept.Json).Build();
+            var request = new HttpRequestBuilder(baseUrl).Accept(HttpAccept.Json).AllowRedirect().Build();
             var response = _httpClient.Get(request);
             var results = JsonConvert.DeserializeObject<List<TResource>>(response.Content);