Use '%pylab inline' in GHME 2013 notebook

Without this, the `figsize` will fail if ipython isn't started
'--pylab=inline'.

Author: kyleam

pymc/examples/GHME 2013.ipynb

@@ -11,14 +11,24 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "%pylab inline\n",
+      "\n",
       "from pylab import *\n",
       "import pandas as pd\n",
       "from pymc import * \n",
       "from pymc.distributions.timeseries import *"
      ],
      "language": "python",
      "metadata": {},
-     "outputs": [],
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Populating the interactive namespace from numpy and matplotlib\n"
+       ]
+      }
+     ],
      "prompt_number": 1
     },
     {