Do not require login for pure logging purposes

If the user is not logged in, then don't display their talk page status, as
this would require a log-in. This is annoying if one just needs read-only
access, or needs to read a wiki that has a broken login (e.g. toolserver)

Change-Id: Ia46d1938221ef70aaf2a752f1b9a4cc5493d34dc