Optional google analytics

_includes/scripts.html

@@ -3,13 +3,6 @@
     <script type="text/javascript" src="{{site.baseurl}}/assets/plugins/bootstrap/js/bootstrap.min.js"></script>    
     <!-- custom js -->
     <script type="text/javascript" src="{{site.baseurl}}/assets/js/main.js"></script> 
-    <script>
-  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
-
-  ga('create', 'UA-83979019-1', 'auto');
-  ga('send', 'pageview');
-
-</script>
+    {% if site.analytics %}
+        {% include analytics.html %}
+    {% endif %}