Added AutomaticProxyDetection to Connectionconfiguration

src/Elasticsearch.Net/Connection/ConnectionConfiguration.cs

@@ -82,6 +82,9 @@ public class ConnectionConfiguration<T> : IConnectionConfigurationValues, IHideO
 #endif
 		bool IConnectionConfigurationValues.KeepRawResponse { get{ return _keepRawResponse; } }
 
+        private bool _automaticProxyDetection = true;
+        bool IConnectionConfigurationValues.AutomaticProxyDetection { get { return _automaticProxyDetection; } }
+
 		private int _maximumAsyncConnections;
 		int IConnectionConfigurationValues.MaximumAsyncConnections { get{ return _maximumAsyncConnections; } }
 
@@ -284,12 +287,12 @@ protected void ConnectionStatusDefaultHandler(IElasticsearchResponse status)
 		/// <summary>
 		/// Global callback for every response that NEST receives, useful for custom logging.
 		/// </summary>
-		public T SetConnectionStatusHandler(Action<IElasticsearchResponse> handler)
-		{
-			handler.ThrowIfNull("handler");
-			this._connectionStatusHandler = handler;
-			return (T) this;
-		}
+        public T SetConnectionStatusHandler(Action<IElasticsearchResponse> handler)
+        {
+            handler.ThrowIfNull("handler");
+            this._connectionStatusHandler = handler;
+            return (T)this;
+        }
 	}
 }
 

src/Elasticsearch.Net/Connection/HttpConnection.cs

@@ -146,7 +146,10 @@ private void SetProxyIfNeeded(HttpWebRequest myReq)
 				proxy.Credentials = credentials;
 				myReq.Proxy = proxy;
 			}
-			//myReq.Proxy = null;
+            if(!this.ConnectionSettings.AutomaticProxyDetection)
+            {
+                myReq.Proxy = null;
+            }
 		}
 
 		private void SetBasicAuthorizationIfNeeded(HttpWebRequest myReq)

src/Elasticsearch.Net/Connection/IConnectionConfiguration.cs

@@ -65,5 +65,6 @@ public interface IConnectionConfiguration<out T> : IHideObjectMembers
 		/// Global callback for every response that NEST receives, useful for custom logging.
 		/// </summary>
 		T SetConnectionStatusHandler(Action<IElasticsearchResponse> handler);
+
 	}
 }

src/Elasticsearch.Net/Connection/IConnectionConfigurationValues.cs

@@ -24,6 +24,7 @@ public interface IConnectionConfigurationValues
 		bool TraceEnabled { get; }
 		bool UsesPrettyResponses { get; }
 		bool KeepRawResponse { get; }
+        bool AutomaticProxyDetection { get; }
 
 		/// <summary>
 		/// Instead of following a c/go like error checking on response.IsValid always throw an ElasticsearchServerException