Config cleanup

_includes/navigation.html

@@ -16,8 +16,8 @@
 			<a class="navbar-brand" href="{{site.baseurl}}/">
           {% endif %}
 		  <div>
-            {% if site.black-favicon %}
-			  <img class="black-favicon" width="25" height=25" src="{{site.baseurl}}{{ site.black-favicon }}" alt="">
+            {% if site.faviconPng %}
+			  <img class="faviconPng" width="25" height=25" src="{{site.baseurl}}{{ site.faviconPng }}" alt="">
             {% endif %}
 			  {{ site.title }}
           </div>