Merge pull request #827 from mtorpey/patch-1

Python install: update Anaconda URL

_includes/install_instructions/python.html

@@ -13,7 +13,7 @@ <h3>Python</h3>
     research computing, and great for general-purpose programming as
     well.  Installing all of its research packages individually can be
     a bit difficult, so we recommend
-    <a href="https://www.anaconda.com/products/individual">Anaconda</a>,
+    <a href="https://www.anaconda.com/download/success">Anaconda</a>,
     an all-in-one installer.
   </p>
 
@@ -48,7 +48,7 @@ <h3>Python</h3>
     <div class="tab-content">
       <article role="tabpanel" class="tab-pane active" id="python-windows">
         <ol>
-          <li>Open <a href="https://www.anaconda.com/products/individual#download-section">https://www.anaconda.com/products/individual#download-section</a> with your web browser.</li>
+          <li>Open <a href="https://www.anaconda.com/download/success">https://www.anaconda.com/download/success</a> with your web browser.</li>
           <li>Download the Anaconda for Windows installer with Python 3. (If you are not sure which version to choose, you probably want the 64-bit Graphical Installer <em>Anaconda3-...-Windows-x86_64.exe</em>)</li>
           <li>Install Python 3 by running the Anaconda Installer, using all of the defaults for installation <em>except</em> make sure to check <strong>Add Anaconda to my PATH environment variable</strong>.</li>
         </ol>
@@ -61,7 +61,7 @@ <h4>Video Tutorial</h4>
       </article>
       <article role="tabpanel" class="tab-pane" id="python-macos">
         <ol>
-          <li>Open <a href="https://www.anaconda.com/products/individual#download-section">https://www.anaconda.com/products/individual#download-section</a> with your web browser.</li>
+          <li>Open <a href="https://www.anaconda.com/download/success">https://www.anaconda.com/download/success</a> with your web browser.</li>
           <li>Download the Anaconda Installer with Python 3 for macOS (you can either use the Graphical or the Command Line Installer).</li>
           <li>Install Python 3 by running the Anaconda Installer using all of the defaults for installation.</li>
         </ol>
@@ -74,7 +74,7 @@ <h4>Video Tutorial</h4>
       </article>
       <article role="tabpanel" class="tab-pane" id="python-linux">
         <ol>
-          <li>Open <a href="https://www.anaconda.com/products/individual#download-section">https://www.anaconda.com/products/individual#download-section</a> with your web browser.</li>
+          <li>Open <a href="https://www.anaconda.com/download/success">https://www.anaconda.com/download/success</a> with your web browser.</li>
           <li>Download the Anaconda Installer with Python 3 for Linux.<br>
             (The installation requires using the shell. If you aren't
             comfortable doing the installation yourself