Dependency, reference fix

Author: gedem

test/ConsoleAppProxyClient/project.json

@@ -9,6 +9,7 @@
     "System.Text.Encoding.CodePages": "4.3.0",
     "System.Runtime.InteropServices": "4.3.0",
     "NETStandard.Library": "1.6.1",
+    "Microsoft.Extensions.DependencyInjection": "1.1.0",
     "NetCoreStack.WebSockets": "1.0.0-*",
     "NetCoreStack.WebSockets.ProxyClient": "1.0.0-*"
   },