Feature/reliable connection (#44)

* Initial commit of reliable connection port

* Made ReliableSqlConnection inherit from DbConnection instead of IDbConnection

* Cleanup

* Fixed autocomplete service to use reliable connection

* Fix copyright headers

* Renamed ConnectResponse.Server to ServerInfo

* Removed unused using

* Addressing code review feedback

src/Microsoft.SqlTools.ServiceLayer/Connection/ReliableConnection/RetryLimitExceededException.cs

@@ -0,0 +1,38 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+// This code is copied from the source described in the comment below.
+
+// =======================================================================================
+// Microsoft Windows Server AppFabric Customer Advisory Team (CAT) Best Practices Series
+//
+// This sample is supplemental to the technical guidance published on the community
+// blog at http://blogs.msdn.com/appfabriccat/ and  copied from
+// sqlmain ./sql/manageability/mfx/common/
+//
+// =======================================================================================
+// Copyright © 2012 Microsoft Corporation. All rights reserved.
+// 
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+// EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF 
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. YOU BEAR THE RISK OF USING IT.
+// =======================================================================================
+
+// namespace Microsoft.SQL.CAT.BestPractices.SqlAzure.Framework
+// namespace Microsoft.SqlServer.Management.Common
+
+using System;
+
+namespace Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection
+{
+    /// <summary>
+    /// The special type of exception that provides managed exit from a retry loop. The user code can use this
+    /// exception to notify the retry policy that no further retry attempts are required.
+    /// </summary>
+    [Serializable]
+    internal sealed class RetryLimitExceededException : Exception
+    {
+    }
+}