Add links to other glm posts.

Author: twiecki

content/downloads/notebooks/GLM-blog-linear.ipynb

@@ -15,6 +15,7 @@
       "\n",
       "  1. [The Inference Button: Bayesian GLMs made easy with PyMC3](http://twiecki.github.com/blog/2013/08/12/bayesian-glms-1/)\n",
       "  2. [This world is far from Normal(ly distributed): Robust Regression in PyMC3](http://twiecki.github.com/blog/2013/08/12/bayesian-glms-2/)\n",
+      "  3. [The Best Of Both Worlds: Hierarchical Linear Regression in PyMC3](http://twiecki.github.io/blog/2014/03/17/bayesian-glms-3/)\n",
       "  \n",
       "In this blog post I will talk about:\n",
       "\n",

content/downloads/notebooks/GLM-blog-robust.ipynb

@@ -11,6 +11,12 @@
      "cell_type": "markdown",
      "metadata": {},
      "source": [
+      "This is the second blog post in a small series on Bayesian GLMs:\n",
+      "\n",
+      "  1. [The Inference Button: Bayesian GLMs made easy with PyMC3](http://twiecki.github.com/blog/2013/08/12/bayesian-glms-1/)\n",
+      "  2. [This world is far from Normal(ly distributed): Robust Regression in PyMC3](http://twiecki.github.com/blog/2013/08/12/bayesian-glms-2/)\n",
+      "  3. [The Best Of Both Worlds: Hierarchical Linear Regression in PyMC3](http://twiecki.github.io/blog/2014/03/17/bayesian-glms-3/)\n",
+      "  \n",
       "In this blog post I will write about:\n",
       "\n",
       " - How a few outliers can largely affect the fit of linear regression models.\n",