Populate only public fields

lib/models/page.js

@@ -21,7 +21,7 @@ module.exports = function(crowi) {
     pageData.seenUsersCount = pageData.seenUsers.length || 0;
 
     pageData.populate([
-      {path: 'creator', model: 'User'},
+      {path: 'creator', model: 'User', select: USER_PUBLIC_FIELDS},
       {path: 'revision', model: 'Revision'},
       {path: 'liker', options: { limit: 11 }},
       {path: 'seenUsers', options: { limit: 11 }},