Don't apply highlight.js to python pages.

Jupyter+nbconvert take care of this, and highlight.js can mess
up code blocks specified without syntax highlighting.

Author: jonmmease

_includes/_new/_page-components/_footer-main.html

@@ -197,9 +197,11 @@ <h6 class="--footer-heading">Connect</h6>&#x9;&#x9;&#x9;
 <!-- Image Hover Script -->
 <script src="{{site.staticurl}}/javascripts/imghover.js"></script>
 
+{% if page.language != "python" %}
 <!-- code highlighting -->
 <script src="{{site.staticurl}}/javascripts/codehighlight/highlight.pack.js"></script>
 <script>hljs.initHighlightingOnLoad();</script>
+{% endif %}
 
 <!-- Google Analytics -->
 <script>

_includes/footer.html

@@ -70,9 +70,11 @@ <h6 class="footer-heading">Connect</h6>
 <script type='text/javascript' src='//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML%2CSafe.js&#038;ver=4.1'></script>
 {% endif %}
 
+{% if page.language != "python" %}
 <!-- code highlighting -->
 <script src="{{site.staticurl}}/javascripts/codehighlight/highlight.pack.js"></script>
 <script>hljs.initHighlightingOnLoad();</script>
+{% endif %}
 
 <!-- Google Analytics -->
 <script>

_includes/head.html

@@ -6,8 +6,11 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
 
+    {% if page.language != "python" %}
+    <!-- code highlighting -->
     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.8.0/highlight.min.js"></script>
     <script>hljs.initHighlightingOnLoad();</script>
+    {% endif %}
 
     <!--
     //// Stylesheets