Removed the explicit use of 'localhost' for the hostname.  Let the libraries use the default method, which will avoid some issues like when 'localhost' is define incorrectly.
Removed the explicit use of 'localhost' for the hostname.  Let the
libraries use the default method, which will avoid some issues like when
'localhost' is define incorrectly.

markwkm/pg_top,mw2q/pg_top,markwkm/pg_top,mw2q/pg_top,mw2q/pg_top,markwkm/pg_top