Make history link for trees look like action links for blobs

app/views/tree/_submodule_item.html.haml

@@ -7,5 +7,5 @@
     %strong= truncate(name, length: 40)
   %td
     %code= submodule_item.id[0..10]
-  %td
+  %td{ colspan: 2 }
     = link_to truncate(url, length: 40), url

app/views/tree/_tree.html.haml

@@ -18,9 +18,8 @@
       %thead
         %th Name
         %th Last Update
-        %th
-          Last commit
-          = link_to "History", tree.history_path, class: "right"
+        %th Last Commit
+        %th= link_to "history", project_commits_path(@project, @id), class: "btn very_small right"
 
       - if tree.up_dir?
         %tr.tree-item
@@ -29,6 +28,7 @@
             = link_to "..", tree.up_dir_path
           %td
           %td
+          %td
 
       = render_tree(tree.contents)
 

app/views/tree/_tree_item.html.haml

@@ -6,4 +6,4 @@
     %span.log_loading.hide
       Loading commit data...
       = image_tag "ajax_loader_tree.gif", width: 14
-  %td.tree_commit
+  %td.tree_commit{ colspan: 2 }