Improve basic demo and update steps js reference

Author: Rafael J. Staib

basic.html

@@ -37,7 +37,8 @@ <h2>A powerful jQuery wizard plugin that supports accessibility and HTML5.</h2>
                             $("#wizard").steps({
                                 headerTag: "h4",
                                 bodyTag: "section",
-                                transitionEffect: "slideLeft"
+                                transitionEffect: "slideLeft",
+                                autoFocus: true
                             });
                         });
                     </script>