Remove some jQuery from Garden-o-matic

Tools/GardeningServer/scripts/ui/actions.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 var ui = ui || {};
 ui.actions = ui.actions || {};
 
 (function() {
 
 var Action = base.extends('button', {
     init: function() {
         this._eventName = null;
-        $(this).addClass('action');
+        this.classList.add('action');
         this.addEventListener('click', function(event) {
             if (this._eventName) {
                 $(this).trigger(this._eventName);
                 event.stopPropagation();
             }
         }.bind(this));
     },
     makeDefault: function() {
-        $(this).addClass('default');
+        this.classList.add('default');
         return this;
     }
 });
 
 ui.actions.Examine = base.extends(Action, {
     init: function() {
         this.textContent = 'Examine';
         this._eventName = 'examine';
         this.title = 'Examine these failures in detail.'
     }
 });
 
 ui.actions.Next = base.extends(Action, {
     init: function() {
         this.innerHTML = '▶';
         this._eventName = 'next';
-        $(this).addClass('next');
+        this.classList.add('next');
     }
 });
 
 ui.actions.Previous = base.extends(Action, {
     init: function() {
         this.innerHTML = '◀';
         this._eventName = 'previous';
-        $(this).addClass('previous');
+        this.classList.add('previous');
     }
 });
 
 ui.actions.List = base.extends('ul', {
     init: function(actions) {
         this.className = 'actions';
         if (!actions)
             return;
         actions.forEach(this.add.bind(this));
     },
     add: function(action)
     {
         var item = document.createElement('li');
         item.appendChild(action);
-        $(this).append(item);
+        this.appendChild(item);
     }
 });
 
 })();