Make sure breadcrumbs, tag lists, and category lists only display when enabled

_includes/page__taxonomy.html

@@ -1,7 +1,7 @@
-{% if page.tags[0] %}
+{% if site.tags.type and page.tags[0] %}
   {% include tag-list.html %}
 {% endif %}
 
-{% if page.categories[0] %}
+{% if site.categories.type and page.categories[0] %}
   {% include category-list.html %}
 {% endif %}

_layouts/default.html

@@ -30,7 +30,7 @@ layout: compress
     </div>
   {% endif %}
 
-  {% if site.breadcrumbs %}
+  {% if site.breadcrumbs and site.categories.type %}
     {% include breadcrumbs.html %}
   {% endif %}