MDL-36990 - first try of a dragdrop version
MDL-36990 - item-position text change on dragdrop
MDL-36990 - fix position of target boxes with disabled javascript
MDL-36990 - Improper use of confirm_sesskey
MDL-36990 mod_feedback - move ajax function into lib.php
MDL-36990 mod_feedback - added license comment
MDL-36990 mod_feedback - change double with single quoted strings
MDL-36990 mod_feedback - removed unneeded parameters for js
MDL-36990 mod_feedback - added a missing semicolon
MDL-36990 mod_feedback - changed variable to lowercase
MDL-36990 mod_feedback - correct some comments