renamed pickList/orderingList files to pick-list/ordering-list #10
renamed widget namespace for orderingList/pickList from rf. to rich.
renamed destroy to _destroy in orderingList/pickList #10
reorder methods according to conventions #10
removed widgetEventPrefixes #10
pickList/orderingList - use _super instead of prototype call #10
pickList: tests for api methods, callbacks, options added