Merge pull request #3 from CamDavidsonPilon/master

update from upstream

Author: snowdj

Chapter1_Introduction/Ch1_Introduction_TFP.ipynb

@@ -32,7 +32,7 @@
         "    <a target=\"_blank\" href=\"https://drive.google.com/file/d/1r0JJuIQ9Uujpy8L941oMpJVrdQ6JLtSk/view?usp=sharing\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" />Run in Google Colab</a>\n",
         "  </td>\n",
         "  <td>\n",
-        "    <a target=\"_blank\" href=\"https://github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/13ec2c5a49406d6986b6b5f2468d6fa0b8b5d5ac/Chapter1_Introduction/Ch1_Introduction_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
+        "    <a target=\"_blank\" href=\"https://colab.research.google.com/github/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/master/Chapter1_Introduction/Ch1_Introduction_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
         "  </td>\n",
         "</table>\n",
         "<br>\n",

Chapter2_MorePyMC/Ch2_MorePyMC_TFP.ipynb

@@ -30,7 +30,7 @@
         "    <a target=\"_blank\" href=\"https://drive.google.com/file/d/1HxnSpRwRMrQnXRrOhEtMLKe2ZN1SyrbJ/view?usp=sharing\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" />Run in Google Colab</a>\n",
         "  </td>\n",
         "  <td>\n",
-        "    <a target=\"_blank\" href=\"https://github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/13ec2c5a49406d6986b6b5f2468d6fa0b8b5d5ac/Chapter2_MorePyMC/Ch2_MorePyMC_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
+        "    <a target=\"_blank\" href=\"https://colab.research.google.com/github/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/master/Chapter2_MorePyMC/Ch2_MorePyMC_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
         "  </td>\n",
         "</table>\n",
         "<br>\n",

Chapter4_TheGreatestTheoremNeverTold/Ch4_LawOfLargeNumbers_TFP.ipynb

@@ -29,7 +29,7 @@
         "    <a target=\"_blank\" href=\"https://drive.google.com/file/d/1xfwG-Mq9Nq-NjIxNtGXGKJ-GQozSHnDi/view?usp=sharing\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" />Run in Google Colab</a>\n",
         "  </td>\n",
         "  <td>\n",
-        "    <a target=\"_blank\" href=\"https://github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/13ec2c5a49406d6986b6b5f2468d6fa0b8b5d5ac/Chapter4_TheGreatestTheoremNeverTold/Ch4_LawOfLargeNumbers_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
+        "    <a target=\"_blank\" href=\"https://colab.research.google.com/github/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/blob/master/Chapter4_TheGreatestTheoremNeverTold/Ch4_LawOfLargeNumbers_TFP.ipynb\"><img src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" />View source on GitHub</a>\n",
         "  </td>\n",
         "</table>\n",
         "<br>\n",