Add characters and keys to the admin user lookup landing page.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Add support for users with no primary characters to the user lookup page.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>
Add links to the key and character lookup pages on the user lookup page.

Signed-off-by: Tyler O'Meara <Tyler@TylerOMeara.com>