code: function lxStepper()
      {
          return {
              restrict: 'E',
              templateUrl: 'stepper.html',
              scope: {
                  cancel: '&?lxCancel',
                  complete: '&lxComplete',
                  controls: '=?lxShowControls',
                  id: '@?lxId',
                  isLinear: '=?lxIsLinear',
                  labels: '=?lxLabels',
                  layout: '@?lxLayout'
              },
              controller: LxStepperController,
              controllerAs: 'lxStepper',
              bindToController: true,
              transclude: true
          };
      }
docs: /* Stepper