Use className instead of class when creating DOM elements

src/html/HtmlReporter.js

@@ -200,7 +200,7 @@ jasmineRequire.HtmlReporter = function(j$) {
 
       var seedBar;
       if (order && order.random) {
-        seedBar = createDom('span', {class: 'jasmine-seed-bar'},
+        seedBar = createDom('span', {className: 'jasmine-seed-bar'},
           ', randomized with seed ',
           createDom('a', {title: 'randomized with seed ' + order.seed, href: seedHref(order.seed)}, order.seed)
         );