Add IntelliSense binding queue (#73)

* Initial code for binding queue

* Fix-up some of the timeout wait code

* Add some initial test code

* Add missing test file

* Update the binding queue tests

* Add more test coverage and refactor a bit.  Disable reliabile connection until we can fix it..it's holding an open data reader connection.

* A few more test updates

* Initial integrate queue with language service.

* Hook up the connected binding queue into al binding calls.

* Cleanup comments and remove dead code

* More missing comments

* Fix build break.  Reenable ReliabileConnection.

* Revert all changes to SqlConnectionFactory

* Resolve merge conflicts

* Cleanup some more of the timeouts and sync code

* Address code review feedback

* Address more code review feedback

test/Microsoft.SqlTools.ServiceLayer.Test/Utility/TestObjects.cs

@@ -21,6 +21,8 @@ namespace Microsoft.SqlTools.Test.Utility
     /// </summary>
     public class TestObjects
     {
+        public const string ScriptUri = "file://some/file.sql";
+
         /// <summary>
         /// Creates a test connection service
         /// </summary>
@@ -42,7 +44,7 @@ namespace Microsoft.SqlTools.Test.Utility
         {
             return new ConnectionInfo(
                 GetTestSqlConnectionFactory(),
-                "file://some/file.sql",
+                ScriptUri,
                 GetTestConnectionDetails());
         }
 
@@ -50,7 +52,7 @@ namespace Microsoft.SqlTools.Test.Utility
         {
             return new ConnectParams() 
             {
-                OwnerUri = "file://some/file.sql",
+                OwnerUri = ScriptUri,
                 Connection = GetTestConnectionDetails()
             };
         }