Console client: Added console callback, display more information. Cache hand state.

console/src/ICallback.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace pokerth_console
+{
+	interface ICallback
+	{
+		void InitDone();
+		void JoinedGame(string name);
+		void GameStarted(List<string> players);
+		void HandStarted(Hand h);
+		void Error(string message);
+	}
+}