is not found. Fixes both PRs 4142 and 4557 (4558). Still fails properly
if user is in YP and not in local database. Man page fixed to reflect
current logic behind falling back, changed since YP was made default some
time ago.
YP server. This is required if the passwd database is to stay in sync
if this program is run on the YP server. Note, local passwd database
operations can still be performed by passing the -l flag.
Also, some minor cleanup and RCS id police.
