prepend the drag image translate
prepend the drag image translate

To avoid translation along a rotated axis if the draggable has a rotation transform already applied.
timruffles/ios-html5-drag-drop-shim,timruffles/ios-html5-drag-drop-shim,xStrom/ios-html5-drag-drop-shim,xStrom/ios-html5-drag-drop-shim