Spinner: Changed default for numberformat to null. Fixed disabled opt…

…ion to not prevent changing value via step and page methods. OVerhauled testsuite.

demos/spinner/decimal.html

@@ -17,7 +17,8 @@
 	<script type="text/javascript">
 	$(function() {
 		$("#spinner").spinner({
-			step: 0.01
+			step: 0.01,
+			numberformat: "n"
 		});	
 		
 		$("#culture").change(function() {

tests/unit/spinner/spinner.html

@@ -7,6 +7,7 @@
 
 	<script type="text/javascript" src="../../../jquery-1.4.3.js"></script>
 	<script type="text/javascript" src="../../../external/jquery.mousewheel-3.0.4.js"></script>
+	<script type="text/javascript" src="../../../external/glob.js"></script>
 	<script type="text/javascript" src="../../../ui/jquery.ui.core.js"></script>
 	<script type="text/javascript" src="../../../ui/jquery.ui.widget.js"></script>
 	<script type="text/javascript" src="../../../ui/jquery.ui.button.js"></script>