The view controller for the working set configurations pane in the dialog. It takes care of coordinating
 * the user gestures in the pane with the working set configuration model, and vice-versa. It also implements
 * the handling of the action buttons.
The view controller for the working set configurations pane in the dialog. It takes care of coordinating
 * the user gestures in the pane with the working set configuration model, and vice-versa. It also implements
 * the handling of the action buttons. | WorkingSetConfigsController.java