tooltips - removed duplicate/incorrect tooltip_manager.js reference in base.html…

tooltips - removed duplicate/incorrect tooltip_manager.js reference in base.html and added tooltips to unit actions

cms/templates/base.html

@@ -33,7 +33,6 @@
     <script src="${static.url('js/vendor/jquery.leanModal.min.js')}"></script>
     <script src="${static.url('js/vendor/jquery.tablednd.js')}"></script>
     <script src="${static.url('js/vendor/jquery.form.js')}"></script>
-    <script type="text/javascript" src="${static.url('coffee/src/discussion/tooltip_manager.js')}"></script>
     <script type="text/javascript" src="${static.url('js/vendor/CodeMirror/htmlmixed.js')}"></script>
     <script type="text/javascript" src="${static.url('js/vendor/CodeMirror/css.js')}"></script>
     <script type="text/javascript">

cms/templates/widgets/units.html

@@ -26,8 +26,8 @@ This def will enumerate through a passed in subsection and list all of the units
       </a>
       % if actions:
       <div class="item-actions">
-	<a href="#" class="delete-button" data-id="${unit.location}"><span class="delete-icon"></span></a>
-	<a href="#" class="drag-handle"></a>
+	<a href="#" data-tooltip="Delete this unit" class="delete-button" data-id="${unit.location}"><span class="delete-icon"></span></a>
+	<a href="#" data-tooltip="Drag to sort" class="drag-handle"></a>
       </div>
       % endif
     </div>