use ipython username and pass

Author: jackparmer

Plotly gets LaTeXy.ipynb

@@ -41,10 +41,10 @@
      "metadata": {},
      "source": "<h4>To get hooked up with a free Plotly account, go <a href=\"https://plot.ly/api/python\">here</a></h4>"
     },
-    {
+    { 
      "cell_type": "code",
      "collapsed": false,
-     "input": "un='jackp'\nk='11m2qbzob9'\npy = plotly.plotly(username=un, key=k)",
+     "input": "un='IPython.Demo'\nk='1fw3zw2o13'\npy = plotly.plotly(username=un, key=k)",
      "language": "python",
      "metadata": {},
      "outputs": [],