Protect against empty selection causing exception when getting placeholder

Author: cdjackson

src/uiSelectController.js

@@ -125,7 +125,7 @@ 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 ) {

src/uiSelectMultipleDirective.js

@@ -56,7 +56,7 @@ uis.directive('uiSelectMultiple', ['uiSelectMinErr','$timeout', function(uiSelec
 
       ctrl.getPlaceholder = function(){
         //Refactor single?
-        if($select.selected.length) return;
+        if($select.selected && $select.selected.length) return;
         return $select.placeholder;
       };