more nb update

IHaskell.ipynb

@@ -8,6 +8,18 @@
  "worksheets": [
   {
    "cells": [
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "IHaskell Notebook\n",
+      "=================\n",
+      "\n",
+      "Hello, and welcome to the IHaskell Notebook.\n",
+      "\n",
+      "![IHaskell Notebook Logo](https://raw2.github.com/gibiansky/IHaskell/master/images/ihaskell-logo.png)"
+     ]
+    },
     {
      "cell_type": "code",
      "collapsed": false,