FIX: moderators had no access to admin user page

app/assets/javascripts/admin/routes/admin_user_route.js

@@ -25,11 +25,13 @@ Discourse.AdminUserIndexRoute = Discourse.Route.extend({
   },
 
   afterModel: function(model) {
-    var self = this;
-    return Discourse.Group.findAll().then(function(groups){
-      self._availableGroups = groups.filterBy('automatic', false);
-      return model;
-    });
+    if(Discourse.User.currentProp('admin')) {
+      var self = this;
+      return Discourse.Group.findAll().then(function(groups){
+        self._availableGroups = groups.filterBy('automatic', false);
+        return model;
+      });
+    }
   },
 
   setupController: function(controller, model) {

app/assets/javascripts/admin/templates/user_index.js.handlebars

@@ -52,6 +52,8 @@
     </div>
   </div>
 
+
+  {{#if currentUser.admin}}
   <div class='display-row'>
     <div class='field'>{{i18n admin.groups.title}}</div>
     <div class='value'>
@@ -68,6 +70,7 @@
       {{/if}}
     </div>
   </div>
+  {{/if}}
 
   <div class='display-row'>
     <div class='field'>{{i18n user.ip_address.title}}</div>