fixed image preview

app/assets/stylesheets/projects.css.scss

@@ -469,3 +469,5 @@ body.project-page table.no-borders td{
   padding:40px;
   display:none;
 }
+
+#tree-content-holder { float:left; width:100%; }

app/models/tree.rb

 class Tree
+  include Utils::FileHelper
   attr_accessor :path, :tree, :project, :ref
   delegate :contents,

app/views/refs/tree.js.haml

 :plain
-  $("#tree-holder table").hide("slide", { direction: "left" }, 150, function(){
+  $("#tree-content-holder").hide("slide", { direction: "left" }, 150, function(){
     $("#tree-holder").html("#{escape_javascript(render(:partial => "tree", :locals => {:repo => @repo, :commit => @commit, :tree => @tree}))}");
-    $("#tree-holder table").show("slide", { direction: "right" }, 150);
+    $("#tree-content-holder").show("slide", { direction: "right" }, 150);
   });