updating folder paths

Author: vsoch

singularity/views/templates/container_tree.html

@@ -151,9 +151,9 @@ <h3>Files</h3>
   nodeEnter.append("image")
       .attr("xlink:href",function(d) {
           if (d._children.length > 0) {
-              return  "/static/img/folder-blue.png";
+              return  "https://github.com/vsoch/singularity-python/raw/v2.5/singularity/views/static/img/folder-blue.png";
           } else {
-              return "/static/img/folder.png";
+              return "https://github.com/vsoch/singularity-python/raw/v2.5/singularity/views/static/img/folder.png";
           }
       })
       .attr("x", "-8px")