All: Remove deprecated .click() usage in demos/tests

demos/button/default.html

@@ -9,7 +9,7 @@
 	<script src="../../external/requirejs/require.js"></script>
 	<script src="../bootstrap.js">
 		$( ".widget input[type=submit], .widget a, .widget button" ).button();
-		$( "button, input, a" ).click( function( event ) {
+		$( "button, input, a" ).on( "click", function( event ) {
 			event.preventDefault();
 		} );
 	</script>

demos/controlgroup/splitbutton.html

@@ -21,7 +21,7 @@
 			}
 		});
 		$( ".controlgroup" ).controlgroup();
-		$( "button" ).click(function() {
+		$( "button" ).on( "click", function() {
 			$( ".output" ).append( "<li>Running Last Action...</li>" );
 		});
 	</script>

tests/visual/checkboxradio/checkboxradio.html

@@ -24,7 +24,7 @@
 				checkboxes.checkboxradio( "option", option, value );
 			}
 		});
-		$( ".controls > button" ).click( function() {
+		$( ".controls > button" ).on( "click", function() {
 			if ( this.id !== "create" ) {
 				checkboxes.checkboxradio( this.id );
 			} else {