DNNPRO 25906 SI: Custom Links emptyFix bug 21711: set the permission grid to center.Fix bug 24448: set CauseValidation as false on the authorize button.

git-svn-id: https://dotnetnuke.svn.codeplex.com/svn@71868 142e9c35-602f-4880-9f37-ec48a24daa6a