Squashed commit of the following:

commit c38543ab12bfc0c795ca70d4dc0130073d65a6b7
Author: Sebastien Pereira <spereira@javalive.net>
Date:   Wed Oct 16 16:02:08 2013 +0200

    add note on updating the width after the widget is started.

commit 4ef4b128146298ac7dc2d3c492b0bdb05b23e0c8
Author: Sebastien Pereira <spereira@javalive.net>
Date:   Tue Oct 15 12:24:56 2013 +0200

    Refer #15076. Describes how to override dojox.mobile.Switch default size.