2.4.5 changes
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+ RFE #1757530 added - admin can set reserved user name list.
+ Added missing ability to activate and deactivate users.
+ Added error page should deactivated user attempt to log in.
+ Added link to settings page that re-registers module permissions.
+ Moved Activate and Deactivate commands to the Active Yes/No column.
+ Deities cannot be deactivated.
+ Added Vietnamese language abbreviation.
+ Added search to groups listing.
+ Added missing pager navigation to groups listing.
