- JavaDoc improvements across the whole of Spring Faces.

- General polishing of the ui package.

spring-faces/src/test/java/org/springframework/faces/ui/AjaxViewRootTests.java

@@ -35,7 +35,7 @@ public class AjaxViewRootTests extends TestCase {
 		UIPanel panel = new UIPanel();
 		panel.setId("bar");
 		form.getChildren().add(panel);
-		ProgressiveCommandButton command = new ProgressiveCommandButton();
+		ProgressiveUICommand command = new ProgressiveUICommand();
 		command.setId("baz");
 		panel.getChildren().add(command);