Browse button in commit list

app/views/commits/_commit.html.haml

-%li.entry
+%li
+  .row
+    .span12
+      .entry
         = link_to project_commit_path(@project, :id => commit.id) do
-    %div
+          %p
             %code= commit.id.to_s[0..10]
             –
             = image_tag gravatar_icon(commit.author_email), :class => "", :width => 16
@@ -9,4 +12,6 @@
             %span.right.cgray
               = time_ago_in_words(commit.committed_date)
               ago
+    .span2
+      = link_to "Browse Code", tree_project_ref_path(@project, commit.id), :class => "btn small"