Log Message:
-----------
Update documentation to emphasize autovacuum rather than
administrator-scheduled vacuums.
Modified Files:
--------------
pgsql/doc/src/sgml:
maintenance.sgml (r1.78 -> r1.79)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/maintenance.sgml?r1=1.78&r2=1.79)