Fix bug 22221: also check the site redirection create button works.Fix bug 22221: only call EscapeUriString once if call the PopupUrl multiple times.Fix bug 23886: make the paging control works in "Manage users in role".Fix bug 23664: ignore language packages which are already installed and version is higher or equal to current.minor updates

git-svn-id: https://dotnetnuke.svn.codeplex.com/svn@71859 142e9c35-602f-4880-9f37-ec48a24daa6a