Reverse order of file/folder and notebooks in new menu

IPython/html/templates/tree.html

@@ -49,14 +49,14 b' data-terminals-available="{{terminals_available}}"'
                   <span class="caret"></span>
                   </button>
                   <ul id="new-menu" class="dropdown-menu">
-                    <li role="presentation" class="dropdown-header" id="notebook-kernels">Notebooks</li>
-                    <li role="presentation" class="divider"></li>
                     <li role="presentation" id="new-file">
                       <a role="menuitem" tabindex="-1" href="#">File</a>
                     </li>
                     <li role="presentation" id="new-folder">
                       <a role="menuitem" tabindex="-1" href="#">Folder</a>
                     </li>
+                    <li role="presentation" class="divider"></li>
+                    <li role="presentation" class="dropdown-header" id="notebook-kernels">Notebooks</li>
                   </ul>
                 </div>
                 <div class="btn-group">