display groupName when groupName don`t start with "$"

Author: luxiaobei

dist/select.css

@@ -1,7 +1,7 @@
 /*!
  * ui-select
  * http://github.com/angular-ui/ui-select
- * Version: 0.19.5 - 2016-10-11T03:02:29.827Z
+ * Version: 0.19.6 - 2017-02-16T07:52:48.754Z
  * License: MIT
  */
 

dist/select.js

@@ -7,7 +7,7 @@
     "url": "git://github.com/angular-ui/ui-select.git"
   },
   "style": "dist/select.css",
-  "version": "0.19.5",
+  "version": "0.19.6",
   "devDependencies": {
     "angular": "^1.2.18",
     "angular-mocks": "^1.2.18",

dist/select.min.css

@@ -64,7 +64,7 @@ uis.directive('uiSelect',
         $select.ngModel = ngModel;
 
         $select.choiceGrouped = function(group){
-          return $select.isGrouped && group && group.name;
+          return $select.isGrouped && group && group.name && !group.name.startsWith('$');
         };
 
         if(attrs.tabindex){
@@ -361,7 +361,7 @@ uis.directive('uiSelect',
         };
 
         var opened = false;
-        
+
         scope.calculateDropdownPos = function() {
           if ($select.open) {
             dropdown = angular.element(element).querySelectorAll('.ui-select-dropdown');