Save/Restore widget arrangement and settings using server storage (PHP sessions)

(See widget documentation for a brief explanation)
Widgets are arranged a bit differently than in the local example
Widget Box 1

Widget 1

Widget Box 2

Widget 2

Widget Box 3

Widget 3

Widget Box 4

Widget 4

Widget Box 5

Widget 5

Widget Box 6

Widget 6

Widget Box 7

Widget 7

Widget Box 8

Widget 8