add old _tree_content code for old_repo

app/views/projects/tree/_tree_content.html.haml

 - if show_new_repo?
   = render 'shared/repo', project: @project
+- else
+  .tree-content-holder
+    .table-holder
+      %table.table#tree-slider{ class: "table_#{@hex_path} tree-table" }
+        %thead
+          %tr
+            %th= s_('ProjectFileTree|Name')
+            %th.hidden-xs
+              .pull-left= _('Last commit')
+            %th.text-right= _('Last Update')
+        - if @path.present?
+          %tr.tree-item
+            %td.tree-item-file-name
+              = link_to "..", project_tree_path(@project, up_dir_path), class: 'prepend-left-10'
+            %td
+            %td.hidden-xs
+
+        = render_tree(tree)
+
+    - if tree.readme
+      = render "projects/tree/readme", readme: tree.readme
+
+  - if can_edit_tree?
+    = render 'projects/blob/upload', title: _('Upload New File'), placeholder: _('Upload New File'), button_title: _('Upload file'), form_path: project_create_blob_path(@project, @id), method: :post
+    = render 'projects/blob/new_dir'
+
 
 :javascript
   // Load last commit log for each file in tree