adds select all/none to bulk moderation

app/assets/javascripts/application.js

@@ -32,6 +32,7 @@ var initialize_modules = function() {
   App.Stats.initialize();
   App.Dropdown.initialize();
   App.LocationChanger.initialize();
+  App.CheckAllNone.initialize();
 };
 
 $(function(){

app/assets/javascripts/check_all_none.js.coffee

@@ -0,0 +1,13 @@
+App.CheckAllNone =
+
+  initialize: ->
+    $('[data-check-all]').on 'click', ->
+      target_name = $(this).data('check-all')
+      $("[name='" + target_name + "']").prop('checked', true)
+
+    $('[data-check-none]').on 'click', ->
+      target_name = $(this).data('check-none')
+      $("[name='" + target_name + "']").prop('checked', false)
+
+
+