Fixes index demo progress

.bar changed to .progress-bar class (usign bootstrap 3)

index.html

@@ -181,7 +181,7 @@ <h2>Demo</h2>
 					  </div>
 					</div>
 					<div id="bar" class="progress progress-striped active">
-					  <div class="bar"></div>
+					  <div class="progress-bar"></div>
 					</div>
 					<div class="tab-content">
 					    <div class="tab-pane" id="tab1">
@@ -237,7 +237,7 @@ <h2>Demo</h2>
 			var $total = navigation.find('li').length;
 			var $current = index+1;
 			var $percent = ($current/$total) * 100;
-			$('#rootwizard').find('.bar').css({width:$percent+'%'});
+			$('#rootwizard').find('.progress-bar').css({width:$percent+'%'});
 		}});
 	});
 	</script>