Widget examples were moved into a widgets subfolder, but
qdoc references were not updated.
Change-Id: Id2a4573e723745b9827c664c852807d6116f8f6d
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>
Updated those .qdoc files to refer to the new relative examples
emplacement. Images and snippets to be moved later.
Also grouped all widgets related examples under widgets.
Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f
Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>