Remove tree single-tab panel

app/assets/stylesheets/common.scss

@@ -173,17 +173,6 @@ ul.breadcrumb {
     font-weight: bold;
     font-size: 14px;
   }
-
-  .arrow {
-    background: url("images.png") no-repeat -85px -77px;
-    width: 19px;
-    height: 16px;
-    float: left;
-    position: relative;
-    left: -10px;
-    padding: 0;
-    margin: 0;
-  }
 }
 input[type=text] {

app/assets/stylesheets/sections/tree.scss

@@ -102,3 +102,7 @@
   }
 }
+.tree-ref-holder {
+  float: left;
+  margin-top: 5px;
+}

app/views/tree/_head.html.haml

-%ul.nav.nav-tabs
-  %li
-    = render partial: 'shared/ref_switcher', locals: {destination: 'tree', path: @path}
-  = nav_link(controller: :tree) do
-    = link_to 'Source', project_tree_path(@project, @ref)
-  %li.pull-right
-    = render "shared/clone_panel"

app/views/tree/_tree.html.haml

 %ul.breadcrumb
   %li
-    %span.arrow
+    %i.icon-angle-right
     = link_to project_tree_path(@project, @ref) do
-      = @project.name
+      = @project.path
   - tree.breadcrumbs(6) do |title, path|
     \/
     %li

app/views/tree/show.html.haml

-= render "head"
+%div.tree-ref-holder
+  = render 'shared/ref_switcher', destination: 'tree', path: @path
 %div#tree-holder.tree-holder
   = render "tree", tree: @tree