Add support for C# scripts in scripting bot

- Now scripts can also be written in C#
- C# scripts can access ChatBot API
- Add more methods in ChatBot API
- Add an example of C# script file
- Coding style fixes: method names ucfirst

MinecraftClient/config/sample-script.cs

@@ -0,0 +1,15 @@
+//MCCScript 1.0
+
+/* This is a sample script for Minecraft Console Client
+ * The code provided in this file will be compiled at runtime and executed
+ * Allowed instructions: Any C# code AND all methods provided by the bot API */
+
+for (int i = 0; i < 5; i++)
+{
+    int count = GetVarAsInt("test");
+    count++;
+    SetVar("test", count);
+    SendText("Hello World no. " + count);
+    PerformInternalCommand("log Sleeping for 5 seconds...");
+    Thread.Sleep(5000);
+}