merge from lp:~peter-simpson/openpetraorg/dev_20141125_motivation_detail_validation2

https://tracker.openpetra.org/view.php?id=2735
https://tracker.openpetra.org/view.php?id=3659
https://tracker.openpetra.org/view.php?id=3311
https://tracker.openpetra.org/view.php?id=2681
https://tracker.openpetra.org/view.php?id=3442
https://tracker.openpetra.org/view.php?id=2661
https://tracker.openpetra.org/view.php?id=3632
https://tracker.openpetra.org/view.php?id=2662
https://tracker.openpetra.org/view.php?id=3578
https://tracker.openpetra.org/view.php?id=2842
https://tracker.openpetra.org/view.php?id=3631
https://tracker.openpetra.org/view.php?id=3550
https://tracker.openpetra.org/view.php?id=3619