Documentation error in Qml feedback Api

http://doc.qt.nokia.com/qtmobility-1.2/qml-feedback-api.html should be removed and all the documentation should be moved to http://doc.qt.nokia.com/qtmobility-1.2/qml-feedback.html to align with other qtmobility qml api's.

Also a more descriptive info is needed for qml feedback elements