Make it possible to enable breadcrumbs per page (mmistakes#3096)

* Make it possible to disable breadcrumbs per page

* Update single.html

* Update single.html

Author: lsolesen

_layouts/single.html

@@ -8,7 +8,7 @@
   {% include page__hero_video.html %}
 {% endif %}
 
-{% if page.url != "/" and site.breadcrumbs %}
+{% if page.url != "/" and site.breadcrumbs or page.breadcrumbs != false %}
   {% unless paginator %}
     {% include breadcrumbs.html %}
   {% endunless %}
@@ -88,4 +88,4 @@ <h2 class="page__related-title">{{ site.data.ui-text[site.locale].related_label
       </div>
     </div>
   {% endif %}
-</div>
+</div>