Added a configuration for Jekyll to enable/disable auto directions in Logistics page.

_layouts/default.html

@@ -53,6 +53,9 @@ layout: compress
     </script>
     {% elsif page.permalink == '/logistics/' %}
         <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&libraries=places,geometry"></script>
+        <script type="text/javascript">
+            var autoDirectionEnabled = {% if site.logisticsMapAutoDirections %} true {% else %} false {% endif %};
+        </script>
     {% endif %} 
     <script>
         Waves.displayEffect();