pgsql: Make some messages more consistent

Log Message:
-----------
Make some messages more consistent

Modified Files:
--------------
    pgsql/contrib/pg_standby:
        pg_standby.c (r1.4 -> r1.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_standby/pg_standby.c.diff?r1=1.4&r2=1.5)
    pgsql/src/backend/access/transam:
        xlog.c (r1.271 -> r1.272)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c.diff?r1=1.271&r2=1.272)
    pgsql/src/backend/commands:
        tablespace.c (r1.45 -> r1.46)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/tablespace.c.diff?r1=1.45&r2=1.46)
    pgsql/src/bin/initdb:
        initdb.c (r1.136 -> r1.137)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/initdb/initdb.c.diff?r1=1.136&r2=1.137)
    pgsql/src/bin/pg_config:
        pg_config.c (r1.24 -> r1.25)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_config/pg_config.c.diff?r1=1.24&r2=1.25)
    pgsql/src/bin/pg_ctl:
        pg_ctl.c (r1.79 -> r1.80)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/pg_ctl.c.diff?r1=1.79&r2=1.80)
    pgsql/src/interfaces/ecpg/ecpglib:
        error.c (r1.15 -> r1.16)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/error.c.diff?r1=1.15&r2=1.16)
    pgsql/src/pl/plpython:
        plpython.c (r1.100 -> r1.101)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/plpython.c.diff?r1=1.100&r2=1.101)
    pgsql/src/test/regress:
        pg_regress.c (r1.31 -> r1.32)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/pg_regress.c.diff?r1=1.31&r2=1.32)
    pgsql/src/timezone:
        pgtz.c (r1.50 -> r1.51)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/timezone/pgtz.c.diff?r1=1.50&r2=1.51)