Use private SqlClient to fix UDT issue (#99)

This is only a version bump so I'm going to merge now to try and make Monday's build.

nuget.config

@@ -2,6 +2,7 @@
 <configuration >
   <packageSources>
     <add key="Nuget" value="https://www.nuget.org/api/v2" />
+    <add key="Myget" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json" />
     <add key="DataTools Nuget" value="http://dtnuget/api/v2/" />
   </packageSources>
 </configuration>

src/Microsoft.SqlTools.ServiceLayer/project.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "Newtonsoft.Json": "9.0.1",
     "System.Data.Common": "4.1.0",
-    "System.Data.SqlClient": "4.1.0",
+    "System.Data.SqlClient": "4.4.0-sqltools-24613-04",
     "Microsoft.SqlServer.Smo": "140.1.8",
     "System.Security.SecureString": "4.0.0",
     "System.Collections.Specialized": "4.0.1",

test/Microsoft.SqlTools.ServiceLayer.Test/project.json

@@ -8,7 +8,7 @@
     "Newtonsoft.Json": "9.0.1",
     "System.Runtime.Serialization.Primitives": "4.1.1",
     "System.Data.Common": "4.1.0",
-    "System.Data.SqlClient": "4.1.0",
+    "System.Data.SqlClient": "4.4.0-sqltools-24613-04",
     "Microsoft.SqlServer.Smo": "140.1.8",
     "System.Security.SecureString": "4.0.0",
     "System.Collections.Specialized": "4.0.1",