Add branch and tag operation to tree dropdown

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

@@ -20,16 +20,24 @@
           %li
             = link_to namespace_project_new_blob_path(@project.namespace, @project, @id), title: 'Create file', id: 'new-file-link' do
               = icon('pencil fw')
-              Create file
+              New file
           %li
             = link_to '#modal-upload-blob', { 'data-target' => '#modal-upload-blob', 'data-toggle' => 'modal'} do
               = icon('file fw')
               Upload file
-          %li.divider
           %li
             = link_to '#modal-create-new-dir', { 'data-target' => '#modal-create-new-dir', 'data-toggle' => 'modal'} do
               = icon('folder fw')
               New directory
+          %li.divider
+          %li
+            = link_to new_namespace_project_branch_path(@project.namespace, @project) do
+              = icon('code-fork fw')
+              New branch
+          %li
+            = link_to new_namespace_project_tag_path(@project.namespace, @project) do
+              = icon('tags fw')
+              New tag
   - elsif !on_top_of_branch?
     %li
       %span.btn.btn-sm.add-to-tree.disabled.has_tooltip{title: "You can only add files when you are on a branch.", data: {container: 'body'}}