Move tree-related views from refs to trees

app/views/tree/_tree.html.haml

@@ -0,0 +1,70 @@
+%ul.breadcrumb
+  %li
+    %span.arrow
+    = link_to tree_project_ref_path(@project, @ref, path: nil), remote: true do
+      = @project.name
+  - tree.breadcrumbs(6) do |link|
+    \/
+    %li= link
+.clear
+%div.tree_progress
+#tree-content-holder
+  - if tree.is_blob?
+    = render partial: "refs/tree_file", locals: { name: tree.name, content: tree.data, file: tree }
+  - else
+    - contents = tree.contents
+    %table#tree-slider{class: "table_#{@hex_path}" }
+      %thead
+        %th Name
+        %th Last Update
+        %th
+          Last commit
+          = link_to "History", tree.history_path, class: "right"
+
+      - if tree.up_dir?
+        %tr{ class: "tree-item", url: tree.up_dir_path }
+          %td.tree-item-file-name
+            = image_tag "file_empty.png"
+            = link_to "..", tree.up_dir_path, remote: :true
+          %td
+          %td
+
+      - index = 0
+      - contents.select{ |i| i.is_a?(Grit::Tree)}.each do |content|
+        = render partial: "refs/tree_item", locals: { content: content, index: (index += 1) }
+      - contents.select{ |i| i.is_a?(Grit::Blob)}.each do |content|
+        = render partial: "refs/tree_item", locals: { content: content, index: (index += 1) }
+      - contents.select{ |i| i.is_a?(Grit::Submodule)}.each do |content|
+        = render partial: "refs/submodule_item", locals: { content: content, index: (index += 1) }
+
+    - if content = contents.select{ |c| c.is_a?(Grit::Blob) and c.name =~ /^readme/i }.first
+      .file_holder#README
+        .file_title
+          %i.icon-file
+          = content.name
+        .file_content.wiki
+          - if gitlab_markdown?(content.name)
+            = preserve do
+              = markdown(content.data)
+          - else
+            = raw GitHub::Markup.render(content.name, content.data)
+
+:javascript
+  $(function(){
+    history.pushState({ path: this.path }, '', "#{@history_path}");
+  });
+
+- unless tree.is_blob?
+  :javascript
+    // Load last commit log for each file in tree
+    $(window).load(function(){
+      ajaxGet('#{@logs_path}');
+    });
+
+- if params[:path] && request.xhr?
+  :javascript
+    $(window).unbind('popstate');
+    $(window).bind('popstate', function() {
+      if(location.pathname.search("tree") != -1) {
+        $.ajax({type: "GET", url: location.pathname, dataType: "script"})}
+        else { location.href = location.pathname;}});