Merge pull request #956 from cdjackson/placeholder_bug

Protect against empty selection causing exception when getting placeHolder

Author: dimirc

src/uiSelectController.js

@@ -145,7 +145,7 @@ uis.controller('uiSelectCtrl',
       data = data || ctrl.parserResult.source($scope);
       var selectedItems = ctrl.selected;
       //TODO should implement for single mode removeSelected
-      if ((angular.isArray(selectedItems) && !selectedItems.length) || !ctrl.removeSelected) {
+      if (ctrl.isEmpty() || (angular.isArray(selectedItems) && !selectedItems.length) || !ctrl.removeSelected) {
         ctrl.setItemsFn(data);
       }else{
         if ( data !== undefined ) {