Solving bug when selectItems is undefined.

Author: upmauro

src/uiSelectController.js

@@ -149,7 +149,7 @@ uis.controller('uiSelectCtrl',
         ctrl.setItemsFn(data);
       }else{
         if ( data !== undefined ) {
-          var filteredItems = data.filter(function(i) {return selectedItems.indexOf(i) < 0;});
+          var filteredItems = data.filter(function(i) {return selectedItems && selectedItems.indexOf(i) < 0;});
           ctrl.setItemsFn(filteredItems);
         }
       }

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;
       };