Add description for URL redirect on fieldset #4433
refactor to reuse vsite redirect query builder func #4433
Add new access callback that uses max redirect var #4433
Only place "+ Add new redirect" link on page when access #4433
use 15 as limit #4433
Merge pull request #4719 from openscholar/4433-limit

Limit number of redirects per site to 15 #4433