Merge pull request #798 from Carreau/pluralize

Pluralize commands in menu that can act on many cells.

notebook/templates/notebook.html

@@ -125,10 +125,10 @@ data-notebook-path="{{notebook_path | urlencode}}"
                 </li>
                 <li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Edit</a>
                     <ul id="edit_menu" class="dropdown-menu">
-                        <li id="cut_cell"><a href="#">Cut Cell</a></li>
-                        <li id="copy_cell"><a href="#">Copy Cell</a></li>
-                        <li id="paste_cell_above" class="disabled"><a href="#">Paste Cell Above</a></li>
-                        <li id="paste_cell_below" class="disabled"><a href="#">Paste Cell Below</a></li>
+                        <li id="cut_cell"><a href="#">Cut Cells</a></li>
+                        <li id="copy_cell"><a href="#">Copy Cells</a></li>
+                        <li id="paste_cell_above" class="disabled"><a href="#">Paste Cells Above</a></li>
+                        <li id="paste_cell_below" class="disabled"><a href="#">Paste Cells Below</a></li>
                         <li id="paste_cell_replace" class="disabled"><a href="#">Paste Cell &amp; Replace</a></li>
                         <li id="delete_cell"><a href="#">Delete Cell</a></li>
                         <li id="undelete_cell" class="disabled"><a href="#">Undo Delete Cell</a></li>