Implement text output example in C#.

Author: sheremetyev

.gitignore

@@ -1,2 +1,3 @@
 /c/obj/
 /c/*.exe
+/cs/*.exe

cs/build.cmd

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+@echo off
+call "%VS100COMNTOOLS%vsvars32.bat"
+csc cat.cs

cs/cat-run.cmd

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+.\cat.exe < ..\Test.json

cs/cat.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Web.Script.Serialization;
+
+namespace Cat
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            StreamReader sr = new StreamReader(Console.OpenStandardInput());
+            string input = sr.ReadToEnd();
+            sr.Dispose();
+
+            JavaScriptSerializer ser = new JavaScriptSerializer();
+            dynamic json = ser.DeserializeObject(input);
+            for (int i = 1; i < json.Length; i++)
+            {
+                dynamic block = json[i];
+                string blockType = block[0];
+                Dictionary<string, object> blockAttr = block[1];
+
+                for (int j = 2; j < block.Length; j++)
+                {
+                    dynamic span = block[j];
+                    string spanType = span[0];
+                    string text = span[1];
+                    Console.Write(text);
+                }
+
+                Console.WriteLine();
+                Console.WriteLine();
+            }
+        }
+    }
+}